From a True Blood star to one of the most beautiful women of all-time to the actress who famously flashed David Letterman, a number of celebrities have revealed themselves to be bisexual over the years.
Many of them are now with men, but all of them have admitted to at least experimenting in the past with women.
How come?
Offers Tatum O'Neal: "I think women are the most amazing creatures on earth. They're gentle, and also more intelligent than the men that I've met."
That may be up for debate, but the openness of the following females is not...
1. Ke$ha

Ke$ha has talked about her bisexuality with Seventeen and Out. She says she is attracted to both genders.
2. Lady Gaga

Lady Gaga wrote "Poker Face" about her time as a bisexual. She talked about it with Barbara Walters in 2010.
3. Amber Rose

Wiz Khalifa and Kanye West's ex has long been perceived to be openly bisexual, saying a few years ago that she is "extremely open with my sexuality. I can be in love with a woman, I can be in love with a man. I’m not into bestiality, but as far as humans go, I definitely find beauty in everybody … If I see a women and I think she’s beautiful and I like her, and she likes me back we can definitely try to be in a relationship together."
4. Anna Paquin

"I'm proud to be a happily married bisexual mother," Paquin Tweeted in March of 2014. There you have it.
5. Angelina Jolie

Angelina once dated Jenny Shimizu and has never been shy about her bisexuality.
6. Amber Heard

Amber Heard has been openly bisexual for quite some time, and discussed this aspect of her identity and the fact that she has been in long-term romantic relationships with women (and now Johnny Depp).