Happy 40th Birthday, Eminem: Here Are Your Craziest Celebrity Disses in Song

He's Getting Older, But We Doubt That Means Eminem Will Stop Using His Rhymes to Diss His Fellow Celebs

On this day 40 years ago, a baby was born who would grow up to be one of the most popular musicians of all time. It's true … as Eminem, a.k.a. the baby born as Marshall Bruce Mathers III on Oct. 17, 1972, celebrates the big 4-0 today, he does so as one of the most popular musicians in the world, with more than 1 billion YouTube views and more than 61 million Facebook likes.

Vanilla Ice he ain't (though, of course, he's ripped on Ice in a rap), and while even his detractors have to admit he can come up with some pretty clever rhymes, sometimes he's, well, obnoxious. And offensive. And outrageous.

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Whether it's poking fun at pop stars like Britney and The Biebs, namechecking dead celebrities and newsmakers or settling and creating celeb feuds, Marshall Mathers has been a master at the lyrical trash talk.

So, in honor of his 40th, we'll skip singing "Happy Birthday," and instead, quote some of his more infamous celeb-dissing song lyrics, accompanied by a photo-filled walk down Eminem memory lane.