It's been years since rap crossed over into the mainstream. Now, with each passing day, month and year, the genre is gaining more and more popularity and becoming more accessible to listeners everywhere.

In lieu of that, plenty of celebrities have tested their skills on the mic through the years. From athletes to actors to comedians, dozens of established entertainers have tried to put it down. Some have success; some, not so much.

Today marks the release of comedic trio The Lonely Island's sophomore rap album, Turtleneck and Chain, and the Saturday Night Live group is definitely in front of the celebs-trying-to-rap class. In honor of the release, we've decided to rank 35 of the most notable attempts. –Adam Fleisher