Jessica Simpson has taken her husband, Eric Johnson’s last name following their lavish wedding on July 5. They’re currently honeymooning in Mexico, where the pop star turned fashion designer posted a sexy photo of herself soaking up the sun.

As a caption, she simply wrote “Jessica Johnson.”

image via Instagram from Jessica Simpson

While they recover and relax from their whirlwind wedding at San Ysidro Ranch in Monetico, Calif., the couple shared an intimate video of some of the highlights from their wedding. Fans were able to see them get introduced as man and wife for the first time, as well as Simpson dancing with her mom, Tina Simpson.

Simpson and Johnson have been dating since 2010 and they have two children together; Maxwell, 2, and Ace, 1. She gushed about their kids getting “standing ovations” for being the flower girl and ring bearer.

"This has been something we've wanted ever since we met,” she has said about their wedding day.

image via Walter McBride/INFphoto.com