Britney Spears and Jason Trawick certainly had a lot to celebrate this month. Not only did the pop star and her beau celebrate their 30th and 40th birthdays, respectively, a source confirms to PEOPLE they're now engaged!
In fact, the pop star's longtime love proposed on his birthday Thursday night in Los Angeles. "He surprised her after she gave him his gifts and after they had cake last night," a source says of his proposal with a Neil Lane sparkler.
Sources recently told PEOPLE that Trawick was ready to pop to the question – and that the two had "been talking about marriage for a long time."
And, early Friday, Spears started droppin...