Lopez launched the Dance Again World Tour , her first headlining concert tour, on June 14.  It was a lucrative, grossing over $1 million per show.  On July 12, she launched Teeology , a luxury T-shirt e-commerce .  Lopez voiced Shira, a saber tooth tiger, in the animated film, Ice Age: Continental Drift , the fourth film in the Ice Age franchise.  The film became her highest opening weekend figure.