Not even celebrity weddings are safe from Big Day blunders.
While some stars had to deal with mini-distasters like bawling bridesmaids and broken teeth on the day of their nuptials, others were the cause of faux pas at weddings they attended.
Click through the slideshow to test your knowledge of celebrity wedding fails.
Wedding Photos Leaked
Photographs from a pre-wedding photo shoot with <em>Life & Stye</em> magazine were leaked online just a few days after this reality star's fiancé called the whole thing off. Who is she? A) Khloe Kardashian B) Jessica Simpson C) Kristin Cavallari
Former "Laguna Hills" and "The Hills" star Kristin Cavallari was photographed for a pre-wedding spread in <em>Life & Style</em> magazine just two days before NFL star Jay Culter <a href="http://www.dailymail.co.uk/tvshowbiz/article-2019360/Kristin-Cavallari-pictured-wedding-dresses-just-2-days-Jay-Cutler-dumped-her.html" target="_hplink">broke off their engagement.</a> The two later <a href="http://www.people.com/people/article/0,,20531996,00.html" target="_hplink">got back together</a> and <a href="http://www.huffingtonpost.com/2012/06/30/kristin-cavallari-baby-bump_n_1639821.html" target="_hplink">Cavallari is currently pregnant</a> with their first child.
Jeans At A Wedding
This actress wore jeans to a friend's wedding ceremony earlier this year after forgetting her dress. Who was it? A) Jessica Biel B) Kristen Stewart C) Penelope Cruz
Kristen Stewart <a href="http://www.people.com/people/article/0,,20606793,00.html" target="_hplink">didn't don formal wedding attire</a> when she attended producer friend Kevin Turen's nuptials in June.
This bride got more than a new husband on her wedding day -- she also got a new tooth! Just hours before she was set to walk down the aisle, this singer-actress lost one of her pearly whites. Luckily, her wedding planner's sister's husband was a dentist and fixed her grin in time for the "I dos." Whose smile came up short? A) Hilary Duff B) Jennifer Lopez C) Britney Spears
<a href="http://www.people.com/people/article/0,,20436231,00.html" target="_hplink">Hilary Duff lost a tooth</a> on her Big Day (and later said she was lucky she didn't swallow it). Thankfully, the problem was easily fixed, and the rest of the day ran smoothly.
During the first of this famous couple's two weddings, the bride's father got the name of one of the groom's children wrong during his speech. Whose father misspoke? A) Jennifer Aniston B) Kayte Walsh C) Courtney Cox?
Kayte Walsh's father called actor Kelsey Grammer's daughter, Mason, <a href="http://www.lifeandstylemag.com/2011/02/kelsey-grammer-and-kayte-walsh.html" target="_hplink">"Madison" by mistake.</a> Let's hope he remembers <a href="http://www.dailymail.co.uk/tvshowbiz/article-2189636/Kelsey-Grammer-pushes-newborn-baby-Faiths-pram-wife-Kayte-catches-sister.html" target="_hplink">Walsh and Grammer's new daughter's name!</a>
Bridesmaid Takes A Spill
A junior bridesmaid at this famous wedding took a fall on the Big Day and began to cry. The bride tried to comfort her by asking, "Did you bump your bottom?" Who consoled the crying child? A) Kate Middleton B) Princess Diana C) Jenna Dewan-Tatum
When Princess Diana married Prince Charles in 1981, <a href="http://www.usmagazine.com/celebrity-news/news/5-mini-disasters-at-princess-dianas-wedding-2011284" target="_hplink"> her youngest bridesmaid</a>, who was just five years old, took a spill. After the fall, Diana was quick to comfort her.