Are you thinking what we're thinking? Halle Berry has discovered the Fountain of Youth, right? Today, the bombshell actress celebrates her 47th birthday, and honestly, she doesn't look like she's a day over 25. She knows how to highlight her enviable frame, opting for formfitting Dolce & Gabbana sheaths and Roberto Cavalli pantsuits on the red carpet, but she also knows that the key to styling success is to never overdo a good thing. Thus, Halle consistently sticks to a "less is more" mantra, always choosing understated accessories and au naturel makeup and hair over more opulent accents. To top it all off, she's one serious actress — with an Oscar, a Golden Globe Award, and a SAG Award to prove it. She's making it too easy for us to be totally jealous of her, but the truth is, she's pretty awesome. In honor of her birthday, here are our 15 reasons Halle Berry is the hottest 47-year-old we know.