Selena Gomez poses for a photo during her 21st birthday party.

Selena Gomez poses for a photo during her 21st birthday party.

Selena Gomez celebrated her 21st birthday with a new video that lets in on some of the partying. Gomez reaches the age of majority with her career advancing steadily on both the big-screen and in music and a renewed relationship with Justin Bieber.

“I wanted to celebrate my 21st Birthday with all of you, so we made this video for us all to celebrate to,” she wrote in an introduction to the video.

“Thank You for all the love and support you have shown and continue to show me. I love you all so much!!” She also gave several shoutouts.

Thanks to all my amazing friends. Thanks to Ben for another great video. Thanks to Justin and crew @ Flaming Flower Production for everything. Thanks to all my fans for being so amazing and making me want to make this video for you.”

She is releasing her new album Stars Dance, will tour and then shift her focus back to her acting career.

Her risque movie, “Spring Breakers,” with Vanessa Hudgens, Ashley Benson, Rachel Korine and James Franco, hit theaters last year, and is now behind her.

The movie grossed $32 million worldwide against a $7 million production cost, which makes it a moderate success. She has three other films in the works, including “Getaway,” an action thriller starring Ethan Hawke. It hits theaters Aug. 30.

She’s also set to appear in “Behaving Badly,” an upcoming comedy, written and directed by Tim Garrick. It also stars Dylan McDermott, Nat Wolff, Cary Elwes, Elisabeth Shue, Patrick Warburton and Mary-Louise Parker.

Next year, she’ll appear in “Rudderless, a comedy musical that is William H. Macy’s debut as a director.

Check out the video below, let us know your thoughts and follow TheImproper on Twitter for all the latest Selena Gomez news you can trust.