It's the Fourth of July! In addition to commemorating our Declaration of Independence, many stars across Hollywood are telling ET just what makes them proud to be an American!

Will Smith: "I'm proud to be an American because when it comes right down to it, the good ideas tend to win here."

Jada Pinkett Smith: "I'm proud to be an American because we are seriously in the midst of change."

Julianne Hough: "I am proud to be an American. I have the freedom to do what I love -- whatever I want -- sing, dance, act; it's all because I have the freedom to do it."

Chris O'Donnell: "I'm proud to be an American because I think it's the greatest country in the world. I think that we're also fortunate that we've had generations before us that have fought for our freedom."

Randy Jackson: "Growing up as a boy in Baton Rouge, Louisiana, being very proud to be a great African-American kid, to come out of there and achieve what I have achieved in this life, in America, I think [proves] that America really, truly is the land of the free."

Eva Mendes: "I'm proud to be an American because I can vote."

Kristi Yamaguchi: "I'm proud to be American because of the privileges and freedoms that we have here in our country."

Anne Hathaway: "One of the greatest things about America is freedom of speech."

Steven Tyler: "We have the freedom to wave your freak flag as high as you want; to aspire as high as you want; to aim high and hit your mark if you're so inspired."

Abigail Breslin: "I'm proud to be an American because we're brave."

Dwayne Johnson: "Because of the wonderful work our troops do. I've got a lot of good family and friends who are fighting for our country right now."