George Clooney's rumored rebound fling could fling him across the room. Carey Mulligan gets engaged. Kim Kardashian emulates Kate Middleton. Hugh Hefner planks. Demi Lovato credits her success to Barney the dinosaur. Thursday gossip dominates.

On last week's Dancing with the Stars, Kirstie Alley fell down after partner Maksim Chmerkovskiy's leg gave out from under her. On tonight's live performance episode, the former TV star suffered yet another embarrassment when her shoe came off mid-dance. Where's Xenu when you need him?

Kirstie Alley started off this season of Dancing with the Stars in surprisingly strong fashion. On tonight's live performance show, however, the 60-year-old took an embarrassing tumble after partner Maksim Chmerkovskiy's leg gave out from under her. Oy gevalt.

On The Tonight Show, new—and better than expected—Dancing with the Stars contestant Kirstie Alley appeared for a chat with Jay Leno. Things were all well and good, until Leno got creepy/pervy regarding Alley's Dancing partner, Maksim Chmerkovskiy.

Mary-Kate Olsen describes her childhood act as "little monkey performers." The Beach Boys threaten to sue Katy Perry. Lily Allen is pregnant. Enrique Iglesias waterskis naked. Maddox and Pax call their nanny "mom." Thursday gossip's problems go back to childhood.

Erin Andrews and Maksim Chmerkovskiy's visit on The Bonnie Hunt Show today breached the comfort barrier. Bonnie tells Maks that she'd have chosen him as her Dancing With the Stars partner too—if she could dance on her back.

Sofia Coppola walking with a friend in Soho yesterday ... Emma Roberts shopping at Intermix on Prince Street ... Hugh Jackman leaving a gym in the Village ... Ozzy Osbourne getting out of a SUV and later signing copies of his new book at a Barnes and Noble ... Josh Duhamel standing on Fifth Avenue ... Rosie O'Donnell arriving at Good Morning America ... Sarah Jessica Parker walking son James to school in the West Village ... Catherine Zeta-Jones leaving the Walter Kerr Theatre on West 49th Street ... and Jay-Z and Beyoncé leaving Nobu.

We were assaulted by a drunk asshole at a Christmas party last night, so we missed the Did You Hear about the Morgans? premiere. Luckily fictional freelancer Betsey Morgenstern doesn't get invited to anything, so she was around to cover.

Courtney Love may or may not have been spotted peeing. Mischa Barton may or may not live in reality. And David Hasselhoff definitely got drunk. Welcome to your Monday morning Gossip Roundup!