Think: beach hair, but with curls. Janet Jackson's big '80s hair was extremely influential and deeply cool—she wore it big and curly for her extremely successful “Control” tour. This is not ...

In Agassi's 1999 autobiography Open, he admitted that during the '90s, as he began to lose his hair, the locks were part of a wig. The above photo is from the first time he wore the wig at the ...