Christina Aquilera engaged to Matthew Rutler

Christina Aguilera has announced that she is engaged to her boyfriend of three years Matthew Rutler, E! Online reports. The singer and "Voice" mentor posted on Twitter: "He asked and I said . . . ," with a photo of her hand flaunting a large diamond ring as she holds his hand with beach scenery behind them. The couple met on the set of Aguilera's 2010 film "Burlesque," where Rutler was working as a production assistant. Aguilera was previously married to music executive Jordan Bratman.