Most female celebrities rise to fame because of their good looks. However, it almost always takes more than just looks to get by in this world, even if that world is based in Hollywood and on television and film sets.

Past the glamor and the beauty that surrounds the entertainment industry, every celebrity must eventually strip off their make-up and wardrobe return to being human. For some, relaxing may include a yacht in the South of France; for others, it’s plugging in their headset and losing themselves in the World of Warcraft.

While we regular folk all have moments where we tap into our inner geek, to our surprise, being geeky doesn’t discriminate. These are the 20 Hottest Celebrity Geeks.