Celebrity Transformations Today's Birthdays: Barbra Streisand, Kelly Clarkson, and Penelope Cruz By InStyle Editors InStyle Editors Facebook Instagram Twitter Our editors and writers comprise decades of expertise across the beauty, fashion, lifestyle and wellness spaces in print and digital. We prioritize journalistic integrity, factual accuracy, and also having fun with every story we share. InStyle's editorial guidelines Published on April 24, 2012 @ 11:00AM Pin Share Tweet Email Photo: Seth Poppel/Yearbook Library (2); Berliner Studio/BEImages Can you match these vintage shots to their modern-day birthday girls? Barbra Streisand (top) is celebrating her 70th birthday, Penelope Cruz (center) is cutting her 37th birthday cake, and Kelly Clarkson (bottom) is blowing out 30 candles. Congratulations, ladies! See Barbra Streisand's best beauty looks! MORE:• Unforgettable Oscar Looks: Barbra Streisand• See Kelly Clarkson's Hollywood Transformation• Penelope Cruz's Best Beauty Looks Ever