AceShowbiz -

Christina Milian apparently has been engaged to her boyfriend Jas Prince. The "When You Look at Me" singer, who started dating Jas in 2010, is very happy after he proposed, says a source.

"She is over-the-moon happy," a source close to Christina tells Life & Style magazine. "She really truly enjoys their active relationship," the source adds. The source also explains that Christina and Jas spend much time together despite their busy schedule.

"They love to go fishing, out to nightclubs and just hang out at home," the source says of the couple's favorite pastime. "They simply enjoy each other's company." Back in April, a huge diamond ring was seen on her ring finger, prompting engagement rumor.

Christina was previously married to The-Dream. The couple has a daughter together.

In other news, Christina recently announced that she would not go back to "The Voice". The mother of one, who had been a social media correspondent for the show since season 2, told Extra that she wanted to focus on her singing career. "I took a break this season so I can work on my music. I've watched so many of these artists up there performing, I get that envy. I want it to be me. It's that time, and sometimes it takes a little sacrifice," she said.