Selena Gomez‘s fiancé, Benny Blanco, turned 37 this past weekend, and the “Calm Down” singer celebrated the big occasion in style. On Instagram, Gomez’s friend, Theresa Mingus, shared a few photos from Blanco’s glamorous birthday event,

The “Only Murders in the Building” star, 32, can be seen wearing a strapless fuchsia Oscar De La Renta gown that costs a whopping $10,990. The dress was complete with a corset-style bodice and voluminous high-low bubble skirt.

Selena Gomez was a vision on Benny Blanco’s birthday – and she spent a small fortune on her sparkly outfit. On Monday, Selena’s friend and ex-assistant Theresa Mingus posted several photos from the music producer’s birthday celebrations.