1. Lauren Jauregui
The Fifth Harmony singer came out as a bisexual on the 18th of November through an open letter to trump supporters.
2. Lady Gaga
Even though she just broke it off with fiancé, Taylor Kinney, she isn't afraid to admit to have taken a 'few dips in the lady pond.'
She's been married to Josh Duhamel since 2009, but the Fergalicious singer is happy to speak about her fun with other woman.
4. Jess Glynne
"I am never going to put a label on my sexuality and people should never feel uncomfortable about who they love."
5. Miley Cyrus
The Hannah Montana actor was only 14 when she understood that she was bisexual. She recalls telling her mother that she admired woman in a different way back then.
Gaining her fame from starring in That's So Raven, the Disney channel star states that she doesn't want to be labelled and just wants to love humans.
7. Kristen Stewart
"Google me, I'm not hiding."
8. Jim Parsons
Sheldon, or Jim has been with Todd Spiewak for 14 years now. Bazinga!
9. Billie Joe Armstrong
The Green Day front-man has been with his wife for over 20 years, but he's not afraid to admit his bisexuality.
10. Zachary Quinto
Between American Horror Story, Heroes, and Star Trek, Zachary definitely leads a busy life.
Here are 10 celebrities you may not have known to be gay or bisexual.
See the photos above.