Christina Aguilera: 'Happy Birthday, Cee-Lo!'

Christina Aguilera is tantalizing in turquoise as she and boyfriend Matthew Rutler hit the town on Friday (June 1) in Beverly Hills, Calif.

The 31-year-old entertainer and her boyfriend reportedly enjoyed dinner at Sur restaurant and later stopped by the Roxbury night club.

PHOTOS: Check out the latest pics of Christina Aguilera

Earlier in the week, Christina tweeted a birthday greeting to fellow The Voice mentor, Cee-Lo Green: “Wishing love, happiness and a BIG HAPPY BIRTHDAY to @CeeLoGreen today!!! XoXtina”

10+ pictures inside of Christina Aguilera and Matt Rutler out for a date night…