Celebs get into the Christmas spirit, Mariah Carey** and Jimmy Fallon** team up and Gwyneth Paltrow and Chris Martin celebrate 9 years together: See what Us Weekly's preferred partners are buzzing about in this Wednesday's roundup!

Vampire Diaries couple Nina Dobrev and Ian Somerhalder picked out the perfect Christmas Tree together in Atlanta, Ga. Tuesday. See more cute photos! (Just Jared)

First look! Check out Joseph Gordon-Levitt and Scarlett Johansson in Don Jon's Addiction. (ET Online)

Watch Mariah Carey perform "All I Want for Christmas Is You" with Jimmy Fallon and The Roots! (The Stir)

Happy Anniversary! Gwyneth Paltrow and Chris Martin celebrate nine years of marriage. (PopSugar)

The Wanted's Jay McGuiness says he wanted to cheer Lindsay Lohan up after her arrest with his "Free Lindsay" T-shirt. (Zap2It)

Rust and Bone actress Marion Cotillard says she has a "different mission" after becoming a mother. (The Daily Beast)

Oprah Winfrey's book club picks The Twelve Tribes of Hattie. (Vulture)

Watch Amanda Brown perform her final song on The Voice. (toofab)

Girls actress Jemima Kirke covers Alison Lou's jewelry line look book while seven months pregnant. (Fashionista)

This article originally appeared on Usmagazine.com: PICTURE: Nina Dobrev, Ian Somerhalder Go Christmas Tree Shopping Together