Kelsey Grammer can't seem to put a lid on it.
On Monday, he stopped by "Conan" and addressed rumors that he slept with his now-wife Kayte Walsh the night they met -- six months before he split from ex-wife Camille Grammer. The "Boss" actor told Conan that, actually, he and Walsh "didn't do much more than kiss for several months."
When Conan commented on how difficult that must have been, Grammer said, "Well for a guy who hadn't had sex for a decade, it wasn't that hard."
This isn't the first time Grammer has made a public dig at his ex. Last month, in an episode of "Oprah's Next Chapter," he told Oprah Winfrey he felt that he "owed" Camille fame. And last year, in an interview with the Australian morning show "Sunrise," he said that his ex's reality TV career on "The Real Housewives of Beverly Hills" was his "parting gift to her."
The former couple, who have two children together, finalized their divorce in February 2011 after 13 years of marriage. Just two weeks later, Kelsey married his fourth wife, Walsh. The couple welcomed daughter Faith, their first child together, in July.
UPDATE: Camille Grammer shot down Grammer's remarks on Tuesday. “He lied on Conan,” she told Huffington Post's Rob Shuter. “He really needs to move on.”
Grammer is hardly the first celebrity to talk about his ex publicly. Click through the slideshow below for 10 others, then weigh in: Should Grammer ditch his loose-lipped ways?
Which star called her soon-to-be ex-husband a "pig" on national television?
<strong>a) Demi Moore b) Jennifer Lopez c) Kim Kardashian d) Maria Shriver </strong>
Since <a href="http://www.huffingtonpost.com/2011/07/15/jennifer-lopez-marc-anthony-divorce_n_900394.html" target="_hplink">announcing their split in July 2011</a>, Jennifer Lopez and Marc Anthony have played nice as judges on <a href="http://www.huffingtonpost.com/2012/01/20/jennifer-lopez-marc-anthony-divorce_n_1219568.html" target="_hplink">"Q'Viva! The Chosen," the reality show they co-produce</a>. Most of the time, anyway. In the scene above, Lopez gets a little peeved when Anthony calls a few female contestants his "babies" during auditions. <a href="http://on.aol.com/video/jennifer-lopez-calls-marc-anthony-a-pig-517326594" target="_hplink">"You're a pig," Lopez tells Anthony with a glare,</a> as he awkwardly stares at the camera. (Luckily for him, Lopez quickly breaks the tension in the room with a playful laugh.)
Which ex-husband said sleeping with his superstar wife was like "cuddling up with a piece of gristle"?
<strong>a) Billy Bob Thornton b) Ashton Kutcher c) Guy Ritchie d) Kelsey Grammer </strong>
ANSWER: Guy Ritchie
The tabloids had a field day when <a href="http://www.people.com/people/article/0,,20233183,00.html" target="_hplink">Madonna filed to divorce Guy Ritchie</a> in October 2008 and details slowly eked out about the couple's failed eight-year marriage -- including their sex life. In an issue of <em>Us Weekly,</em> a source claimed that Ritchie compared going to bed with Madonna to <a href="http://gawker.com/5067040/messy-divorces-old-wrinkled-madonna-vs-sneaky-coward-guy-ritchie" target="_hplink">"cuddling up with a piece of gristle."</a> But hey, the marriage wasn't all it was cracked up to be for Madonna, either. In August 2009, the Material Girl told <em>Rolling Stone </em>that she was glad she could concentrate on her work during her "challenging" marriage because otherwise, she "<a href="http://www.huffingtonpost.com/2012/01/31/madonna_n_1244961.html" target="_hplink">may have thrown [herself] off a building."</a>
QUESTION: Who called her ex-husband a "lazy ass" on "The Late Show"?
<strong>a) Jennifer Aniston b) Anne Heche c) Kate Hudson d) Britney Spears </strong>
ANSWER: Anne Heche
David Letterman likely got more than he bargained for when he asked actress Anne Heche about her ex-husband, Coley Laffoon, in August 2009. "Can you say 'lazy ass' on TV?"<a href="http://www.x17online.com/celebrities/anne_heche/anne_heche_disses_her_exhusband_calls_him_a.php" target="_hplink"> Heche said of her ex</a>, who was awarded a <a href="http://www.accesshollywood.com/anne-heche-to-pay-ex-275000-in-divorce-settlement_article_9834" target="_hplink">$275,000 settlement in the couple's 2008 divorce</a>, along with $3,700 per month in child support for the couple's son, Homer. <a href="http://www.x17online.com/celebrities/anne_heche/anne_heche_disses_her_exhusband_calls_him_a.php" target="_hplink">When Letterman asked what Laffon did for a living</a>, Heche had even more to say: "He goes out to the mailbox and he opens up the little mailbox door and goes, 'Oh! I got a check from Anne! Oh! I got a check from Anne! Yay!'"
Which actor called his ex a "vile kidnapper" and a "dog thief"?
a) Mel Gibson b) Charlie Sheen c) David Hasselhoff d) Alec Baldwin
ANSWER: Charlie Sheen
In March 2011, <a href="https://twitter.com/charliesheen/" target="_hplink">Charlie Sheen took to Twitter</a> to insult ex-wife Denise Richards after she <a href="http://www.tmz.com/2011/03/28/denise-richards-charlie-sheen-pugs-malnourished-neglected-divorce-tweet-twitter-children-died-dead-kidnapped-mascott/" target="_hplink">reportedly took in two of the actor's malnourished pugs</a>. "We must bombard with Warlock Napalm, that traitor and loser whore #DUH-neese POOR-ards. a vile kidnapper and now dog thief. hate," <a href="http://www.popeater.com/2011/03/28/charlie-sheen-denise-richards/" target="_hplink">Sheen tweeted to some 3 million followers</a>.
QUESTION: Which ex-husband called his more famous ex-wife a "narcissistic egomaniac" and a "second-rate celebrity"?
<strong>a) Jesse James b) Tony Parker c) Peter Cook d) Kris Humphries </strong>
ANSWER: Peter Cook
Four years after the divorce, Peter Cook <a href="http://www.huffingtonpost.com/2012/03/07/christie-brinkley-divorce_n_1327425.html" target="_hplink">still had a few choice words to describe</a> ex-wife Christie Brinkley. The Hamptons architect called Brinkley a "<a href="http://www.dailymail.co.uk/news/article-2108986/Christie-Brinkleys-ex-calls-narcissistic-egomaniac-explosive-91-page-court-filing.html#ixzz1nyt9tBDe" target="_hplink">narcissistic egomaniac</a>" in court docs filed during their recent custody battle, later calling the model a "<a href="http://www.huffingtonpost.com/2012/03/06/christie-brinkley-a-second-rate-celebrity_n_1324269.html" target="_hplink">second-rate celebrity starved for attention</a>." The pair <a href="http://www.huffingtonpost.com/2012/06/25/christie-brinkley-and-peter-cook_n_1625861.html" target="_hplink">settled the custody dispute out of court in June,</a> and so far, it's been all quiet on the name-calling front.
Who reportedly called her ex a "rich bully"?
<strong>a) Ellen Barkin b) Oksana Grigorieva c) Heather Mills d) Elin Nordegren</strong>
ANSWER: Oksana Grigorieva
In the midst of her <a href="http://www.people.com/people/article/0,,20402847,00.html" target="_hplink">custody battle with Mel Gibson</a>, Oksana Grigorieva reportedly <a href="http://articles.nydailynews.com/2010-10-18/gossip/27078575_1_lawyers-law-firms-oksana-grigorieva" target="_hplink">called the actor a "rich bully"</a> who had punched her in the face and threatened to kill her. (Released tapes of the <a href="http://www.huffingtonpost.com/2010/07/12/mel-gibson-second-audio-t_n_643100.html" target="_hplink">actor ranting and cursing at Grigorieva</a> probably didn't help his case.) In August 2011, a judge granted the couple joint custody and ordered <a href="http://www.huffingtonpost.com/2011/08/31/mel-gibson-to-pay-ex-750k_n_943566.html" target="_hplink">Gibson to pay $750,000 to Grigorieva</a> and to continue to provide housing and financial support for their daughter.
QUESTION: Which supermodel reportedly called her ex-husband -- a notorious ladies' man -- a "sexual predator"?
<strong>a) Cindy Crawford b) Heidi Klum c) Jerry Hall d) Karen Elson </strong>
ANSWER: Jerry Hall
In her 2010 <a href="http://www.dailymail.co.uk/home/you/article-1311936/Jerry-Hall--A-celebration-pictures-Texan-supermodels-life.html" target="_hplink">book, "Jerry Hall: My Life in Pictures"</a>, supermodel Jerry calls Mick Jagger, a man well-known for his <a href="http://www.hollyscoop.com/mick-jagger/mick-jagger-and-his-many-women.html" target="_hplink">appetite for women</a>, a "<a href="http://cbswcbs.wordpress.com/2010/09/07/jerry-hall-calls-mick-jagger-a-sexual-predator/#ixzz20G12skZV" target="_hplink">sexual predator</a>." Hall <a href="http://www.forbes.com/2006/10/26/divorce-celebrities-fame-pf-cz_sc_1026divorce.html" target="_hplink">filed for divorce from Jagger in 1999</a> following revelations that the rockstar had <a href="http://www.people.com/people/archive/article/0,,20127479,00.html" target="_hplink">fathered a child with another woman</a>.
Which actor said his ex-wife was a "ghost" to him?
a) Sean Penn b) Russell Brand c) Ryan Reynolds d) Tom Cruise
ANSWER: Sean Penn
Robin Wright Penn <a href="http://www.people.com/people/article/0,,20298679,00.html" target="_hplink">filed for divorce from Sean Penn</a> in August 2009 and then apparently vanished from his life. "She is a ghost to me now," <a href="http://www.vanityfair.com/online/daily/2010/06/hunkered-down-in-haiti-with-sean-penn-humanitarian" target="_hplink">Penn told <em>Vanity Fair</em> in June 2010</a>. "We spent all those years together... Now she's just gone." The former couple's <a href="http://www.people.com/people/article/0,,20407832,00.html" target="_hplink">divorce was finalized</a> in July 2010.
QUESTION: Which reality star got sued for defamation when she called her ex a "pathological liar" and a "narcissist" in her tell-all book?
<strong>a) Kris Kardashian b) Taylor Armstrong c) Tori Spelling d) Linda Hogan </strong>
ANSWER: Linda Hogan
After divorcing Hulk Hogan in 2009, Linda Hogan gave their 24-year marriage the memoir treatment with <a href="http://www.amazon.com/Wrestling-Hulk-My-Life-Ropes/dp/0062030205" target="_hplink">"Wrestling the Hulk: My Life Against the Ropes."</a> In the book, Linda calls the <a href="http://www.ontheredcarpet.com/Hulk-Hogan-sues-ex-wife-Linda-for-defamation--seeks-jury-trial/8461443" target="_hplink">pro-wrestler a "pathological liar" and a "narcissist"</a> who was prone to violent, threatening behavior during their marriage. Hulk <a href="http://www.foxnews.com/entertainment/2011/12/09/hulk-hogan-files-defamation-suit-against-ex-linda-bollea/" target="_hplink">filed a defamation suit in response</a> and called his ex "delusional," noting that she's <a href="http://articles.nydailynews.com/2011-06-29/gossip/29737209_1_hulk-hogan-linda-hogan-domestic-violence" target="_hplink">"still riding on the Hulk Hogan name."</a>