Jennifer Lopez: Happy Birthday, Casper Smart!

Jennifer Lopez and boyfriend Casper Smart go shopping together on Friday (April 6) in Beverly Hills, Calif.

“@BEAUcasperSMART ‘Beau has a birthday we’re so glad we hope its the happiest Birthday Beau ever has!’ #singingtweet. HAPPY BIRTHDAY BEAR!!!” the 42-year-old entertainer tweeted to Casper.

The night before, JLo and Casper attended the Planet Dailies and Mixology 101 grand opening after the American Idol live results show.

In case you missed it, check out Jennifer‘s hot new video for her track “Dance Again,” which features a shirtless Casper.