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Christina Aguilera

Pregnant Christina Aguilera Rocks Growing Baby Bump at Wango Tango (PHOTO)

Hot mama alert!

On May 10 — the day before Mother's Day — Christina Aguilera, 33, performed at 102.7 KIIS FM's 2014 Wango Tango in California, showing off her second baby bump.

According to Us Weekly, while on stage she sang her latest hit, "Say Something," with A Great Big World. Obviously, she looked beautiful in the process in that sexy black dress (and look at that giant rock on her left hand!)

Christina and her fiancé Matt Rutler are expecting a baby girl, a little sister for Xtina’s 6-year-old son, Max, with her ex, Jordan Bratman. Christina got engaged on Valentine’s Day, and her pregnancy was announced about a week later. But The Voice coach and production assistant Matt have been together for more than four years, after meeting on the set of the 2010 movie, Burlesque.

Since Christina will be extra busy on the homefront this fall, Gwen Stefani is replacing her for The Voice Season 7. But Xtina is expected to return to the NBC show for Season 8.

For now, Christina seems to be happy in love — and still workin’ it for the crowd. Keep it up, Mama!

Source: Us Weekly