This singer & former boyfriend of Taylor Swift assumes he's the John in her song Dear John

Rapper Nas is said to be the title Mr. in Amy Winehouse's Me & Mr. him; it's Nas' last name

David Paich of Toto said Ms. Arquette was the inspiration for the title of this 1982 hit

The U2 song Stuck In A Moment You Can't Get Out Of is about Michael Hutchence late frontman of this band

After breaking up with Erykah Badu Andre 3000 apologized to her mother in OutKast's Ms. her