Hollywood's Top Acting Coaches Reveal Their Backstage Secrets

Sometimes Hollywood's biggest and brightest stars need a little help in the acting department once in a while. The industry's top acting coaches dished to OK! Magazine all their backstage secrets about the best A-listers in the business. Keep reading to get all the dirt on your favorite stars!

An insider revealed that Lindsay Lohan is "demanding on set" at times.

Jennifer Lawrence is the type of gal who likes to wing her lines and is "great at improvising."

One source confessed to OK! Magazine that Jennifer Aniston's acting coach is a big part of her entourage.

Mariah Carey is known to "throw tantrums" on set and can be quite the diva!

Leonardo DiCaprio wowed fans and critics alike in his Oscar-winning role in The Revenant. But a source says he only nabbed the award after hiring a pro to help him with his lines.

Brad Pitt works with an acting coach “to perfect the unexpected parts.”

To learn all the secrets of Hollywood's biggest stars, pick up the latest edition of OK! Magazine, on newsstands now!