Iggy Azalea turned down a guest appearance on Ariana Grande's first album! Say what!?

That's right. Ariana approached the "Fancy" rapper when she was recording her first album, Yours Truly,  but Iggy declined because she thought Ariana was too young. Little did she know, they are only 3 years apart!

In an interview with Grammy.com, Iggy says, "I didn't do it even though I thought she was amazing because I thought she was much younger than what she is!"

So glad they cleared that up in time for "Problem" on Ariana's sophomore album!

Check out the interview: