Britney Spears and Jason Trawick are engaged. Jason proposed to Britney over the weekend at his 40th birthday party. According to People, after Britney gave Jason his birthday gift of a brand new motorcycle and they had cake, Jason popped the question with a Neil Lane ring. Britney tweeted the next morning, “OMG. Last night Jason surprised me with the one gift I’ve been waiting for. Can’t wait to show you! SO SO SO excited!!!! Xxo”Britney and Jason began dating in 2009. Jason was Britney’s agent. According to TMZ, Jason will be signing a prenup. Meanwhile, Britney has another reason to celebrate. Britney has become the first person to get one million followers on Google+.