Adam Sandler undergoes shoulder surgery

"The Wedding Singer" star Adam Sandler, who has been suffering from an injured shoulder for quite sometime, underwent surgery.

Sandler, 47, injured his shoulder in May, reported Radar online.

"It was scheduled surgery for an injury he had a while ago playing basketball," his representative said.

"He had a chronic shoulder injury that he needed to have surgery for, so he did. He's now on the mend," an insider said.