Happy birthday weekend, Selena Gomez!
The "Fetish" singer celebrated her 25th birthday with an intimate party surrounded by her "people," as well as several teal and white balloons and two small round cakes adorned with candles.
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"Thank you for all of my bday love," wrote the star on Instagram. "I couldn't be more blessed. A lot of you don't realize how much you mean to me. I. Love. You. --think 25 is going to be epic. xo."
In lieu of gifts, Gomez -- who has battled lupus for years -- encouraged her friends, family and fans to donate to a cause that is near and dear to her heart: The Lupus Research Alliance.
"Thank you so much for all the birthday wishes!" the Neighbors 2 actress tweeted. "Asked my friends and family to make a donation -if you want to join."
Fans responded with a series of birthday wishes, and a few of Gomez's famous friends also shared their own sweet birthday messages for the star.
Paris Hilton shared a glam throwback photo of the two with Hilton's sister, Nicky Rothschild, while Ellen DeGeneres posted a montage of appearances with the star on The Ellen DeGeneres Show.
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"Happy birthday, @SelenaGomez! I hope you have a great Weeknd," DeGeneres captioned the clip, hilariously referencing Gomez's relationship with rapper The Weeknd.
For more on the star's sexy new single, "Fetish," watch the video below.