Britney Spears surprises boyfriend with birthday bike

Britney Spears treated her boyfriend to a special motorbike for his 40th birthday this week (begs12Dec11), because he looked "so cool" as a biker in her video for Criminal.

Jason Trawick, who played the pop star's daredevil love interest in the song's promo, reached the milestone on Thursday (15Dec11) and Spears teased that she had a surprise in store for her beau.

She told her Twitter.com fans on Wednesday night (14Dec11), "Poor Jason he has less than 5 hours left to be in his 30s. I have a big surprise for him tomorrow."

And she stunned Jason Trawick with a limited edition Confederate motorbike on his big day.

Updating her followers, she wrote, "He looked so cool in the video, that I had to get him a new motorcycle. Check out this new Confederate Bike I got him!"