Star Scoop: Rihanna Is Lady in Red at GQ Party, Channing Tatum Named Sexiest Man Alive, Madonna’s ‘Gangnam Style’

While Rihanna's Calvin Klein slip dress at GQ Magazine's Men of the Year Party was simple and chic, she was still red hot. The 24-year-old “Diamonds” singer covered the pub's November 2012 issue, being dubbed “Obsession of the Year” in, well, nothing. She partied it up at the issue's annual celebration with the likes of Ne-YoBen Affleck , Jamie Foxx, Rashida Jones, and Common. [E! Online]

Magic Mike has earned another notch on his belt. Star Channing Tatum has been named “Sexiest Man Alive” by People magazine. It's yet another title to add to his list, including being named among GQ's Men of the Year. His cover will be on stands this Friday. [Los Angeles Times]

Elizabeth Banks is bringing home baby… number two! The Hunger Games star and husband Max Handelman announced the addition of Magnus Mitchell to their family on her blog today. Like the couple's first child, Felix, Magnus was born through surrogacy, which Banks is an advocate of due to infertility issues. Congrats! [Yahoo News]

Want to see Madonna go “Gangnam Style?” We knew that'd get your attention. The 54-year-old icon surprised fans at her second Madison Square Garden show by bringing out viral sensation Psy to perform a mashup with her hit “Give It To Me.” Can we say, epic? [Huffington Post]

Vinny Guadagnino may be saying goodbye to Jersey Shore, but he's not leaving MTV anytime soon. The reality television star will be coming back to the network as a host. The Show with Vinny, will be a hybrid talk show/reality series that will bring celebrities into Vinny's Staten Island home. Uncle Nino, included. [CNN]

The King of the Jungle is making a 21st-century comeback and director David Yates wants Alexander Skarsgard to take on the role of Tarzan. While the True Blood star and his reps have yet to release a comment, we're on the hunt to find could potentially play his Jane. [Variety]