Laura Linney Gives John Benjamin Hickey A Hickey On 'WWHL' (VIDEO)

04/24/2013 05:35 am ET | Updated Apr 24, 2013

One lesson learned on Tuesday night's episode of "Watch What Happens: Live" about Laura Linney? If you challenge "The Big C" star to do something on live television, no matter how weird it is, she just might do it! The poll of the night asked if Linney should give her fellow guest, and "Big C" co-star, John Benjamin Hickey his namesake: a hickey.

Perhaps it was less of a surprise to fans of the show, as Hickey and Linney clearly have a lot of fun riffing off of one another as brother and sister. Of course, that familial connection -- even though it is only on television -- added a layer of weirdness to the proceedings.

Andy Cohen was mesmerized by her performance, encouraging fans to jump on and see what kind of mark she left on Hickey's neck. "It's like a Hoover!" he remarked.

Fans of Laura Linney and John Benjamin Hickey can also look for them in the season premiere of "The Big C" on Showtime, Monday, April 29 at 10 p.m. ET. "Watch What Happens: Live" airs every Sunday through Thursday at 11 p.m. ET on Bravo.

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