1 / 31
Josh Hutcherson: "My mum has always been a big advocate, especially in the gay, lesbian, transexual, and bisexual community... so for me it's always been a part of my soul."
2 / 31
Daniel Radcliffe: "Gay people should have equality in law everywhere. If you grow up as a young gay man knowing you don't have the same opportunities as everyone else, you're going to feel victimised and massive prejudice towards you."
3 / 31
P!nk: "I threw my best friend's wedding...she's gay and she married her wife. At the end of it, her mum said, "Why can't this be legal?" and started crying. It was just the most heartbreaking thing I've ever seen."
4 / 31
BeyoncÃ©: "I have always thought of it as something that is still holding the country back. What people do in their own homes is their business, and you can choose whoever you love."
5 / 31
Drew Barrymore: "No one has any right to tell anyone what makes a family. You choose your battles in this world. This is something that means everything to me."
6 / 31
Miley Cyrus: "I believe every American should be allowed the same right and liberties."
7 / 31
Justin Timberlake: "We're people and we're different, all of us. And we should be using our differences to bring ourselves closer together"
8 / 31
Carrie Underwood: "I'm in favour of acceptance. And I am a Christian person, and I do love the Lord, and I feel no matter who you are, what you believe, how you live your life, it's not my place to judge."
9 / 31
Kristen Bell: "The reason we're not rushing to get married is because I don't feel appropriate taking advantage of a right that's denied to my best friends."
10 / 31
Brad Pitt (before marrying Angeline Jolie): "Angie and I will consider tying the knot when everyone else in the country who wants to be married is legally able."
11 / 31
Lena Dunham: "I don't want to get married until all gay people can get married."
12 / 31
Lady Gaga: "When I started in the mainstream it was the gays that lifted me up. I committed myself to them and they committed themselves to me, and because of the gay community I'm where I am today."
13 / 31
Chris Hemsworth: "Marriage is about love and commitment and, in a country based on equal citizenship, it should be available to everyone!"
14 / 31
Margot Robbie: "LOVE IS LOVE"
15 / 31
The Veronicas: "Love wins, love always wins"
16 / 31
Ruby Rose: "For me, marriage is more about equal rights than the act of getting married. When you don't have equal rights, it trickles down to kids...So it's important to break down that barrier."
17 / 31
Jennifer Hawkins: "Everybody loves the same way, so they should be able to celebrate it in the same way."
18 / 31
Kylie Minogue: "Can we please just do it already?"
19 / 31
Nicole Kidman: "I believe in allowing people who love each other to share their lives together and to honour it."
20 / 31
Rose Byrne: "I am pro-gay marriage and I think it's ridiculous people can't marry who they want to marry in Australia in this day and age."
21 / 31
Hugh Jackman: "Marriage should be about love and respect, not discrimination."
22 / 31
Harry Styles: "I think stuff like equality feels much more fundamental. I feel like everyone is equal. That doesn't feel like politics to me...To me, anything that brings people together is better than things that pulls people apart."
23 / 31
Ariana Grande: "I am eternally indebted to and inspired by the LGBTQ community...Thank you for celebrating me the way I celebrate you."
24 / 31
Taylor Swift: "I believe in the fight for LGBTQ rights, and that any form of discrimination based on sexual orientation or gender is WRONG."
25 / 31
Prince Harry & Meghan Markle: "This is a basic human rights issue, not one about sexuality."
26 / 31
Jade Thirwall: "I want to encourage more artists to raise the flag as allies to the LGBTQ community and help people accept themselves."
27 / 31
Dua Lipa: "I want to create a really safe environment for us all to have fun...I want us all to dance. I want us all to sing. I want us all to just have a really good time."
28 / 31
CupcakKe: "...They're human. I look at them like a regular person, not, 'Oh that's somebody that's part of the LGBTQ community,' it's like, 'Oh that's another human being'...Everyone likes who they like."
29 / 31
Carly Rae Jepsen: Has described her relationship with LGBTQ+ fans as a "mutual love fest"
30 / 31
Chloe Grace Moretz: Speaking of her film 'The Miseducation of Cameron Post,' "This movie was directed by bisexual woman of diversity, it has a very divers cast and we didn't cast all celebrities."
31 / 31
Liam Hemsworth: "I believe it's a HUMAN RGHT to be able to marry the person you love regardless of gender."