Celebs Wish WHO A Happy BIrthday!

Join Megan Gale, Magda Szubanski and more celebs wish WHO a Happy 20th Birthday!

For more First Look features from the stars, be sure to pick up WHO's 20th Birthday Special Collector's Issue, on sale now. PLUS: For More Behind the Scenes 20th Birthday Content, check out WHO.com's 20th Dedicated Birthday Site Here.