The singer partied it up with Karol G during her friend Gomez’s birthday party last weekend

 

Christina Aguilera attends the 9th Annual Breakthrough Prize Ceremony at Academy Museum of Motion Pictures ; Selena Gomez celebrates the launch of Rare Beauty's Soft Pinch Tinted Lip Oil Collection

Christina Aguilera (left) and Selena Gomez. PHOTO: AXELLE/BAUER-GRIFFIN/FILMMAGIC; CINDY ORD/GETTY IMAGES

Christina Aguilera is letting fans get a better look inside the recent birthday celebrations for her friend Selena Gomez.

The “Como Yo” singer partied with other famous faces including Paris Hilton and Colombian singer Karol G for the Only Murders in the Building star’s 31st birthday bash.

On Tuesday, Aguilera, 42, posted a trio of behind-the-scenes photos on Instagram. “Love these girls @selenagomez @karolg 💘,” she captioned.

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The first black and white photo showed Gomez sitting on the lawn in a close embrace with Aguilera – who was seated on a chair with her arm around the Disney alum.

Karol G joined Aguilera in the next photo, matching in coral pink attire and sunglasses with their tongues playfully stuck out at the camera. Aguilera hugged Gomez in the third carousel photo.

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On Sunday, Karol G, 32, posted more photos from Gomez’s party on Instagram.

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“🎂🎇✨ @selenagomez,” she captioned the carousel of three pictures of her and Gomez taken against a champagne-colored curtain.

The musicians hugged one another and changed their poses, ending with an air kiss.

“My favs ✨💕,” Aguilera commented.

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 Selena Gomez Blows Out Candles in 31st Birthday Post: ‘I Love You All!’

The birthday girl also shared a series of images from the celebrations on Instagram on Saturday. “31” Gomez wrote in a simple caption.

In the first image, the actress and singer revealed her vibrant birthday party outfit — a chic strapless red mini dress with floral applique and black strappy sandals. Other snaps showed Gomez dancing and posing with party guests, while one shot captured the moment a giant birthday cake lit with sparklers was presented to her.