Who all attended Brittany Mahomes’ 31st birthday? Inside her Vegas celebration with Patrick Mahomes

Brittany Mahomes, wife of Kansas City Chiefs quarterback Patrick Mahomes, just shared the real pictures from behind her 31st birthday, and it was bigger than anyone knew. She posted a fresh Instagram carousel showing the couple's full Las Vegas weekend, complete with a Backstreet Boys show at Sphere and a hotel suite buried in gold balloons. No sign of Taylor Swift this time, but this Vegas trip more than makes up for it.Brittany Mahomes celebrates 31st birthday with Vegas trip, Backstreet Boys and a gold balloon takeoverThe couple flew to Las Vegas to catch the Backstreet Boys' Into the Millennium residency at Sphere, reportedly the band's final show of their summer run. Photos from inside show the venue's massive dome screen lit up mid-performance, the crowd stretched out below.Patrick and Brittany went full fan mode for it too, matching light-blue satin "Backstreet Boys" varsity jackets, pink and white caps, sunglasses, the works. Brittany paired hers with a white mini dress and denim boots.They stayed at the Wynn Las Vegas, and their suite got the full birthday treatment: gold and rose-gold "31" balloon numbers, a "Let's Party" balloon cluster, and enough decorations to fill the entire living room. A separate hotel setup had a gold sequin backdrop with a lit-up "Happy Birthday" neon sign and an even bigger balloon installation, stars and all, built specifically as a photo moment.The trip wasn't just the two of them. Brittany and Patrick posed with longtime friends Lyndsay Bell and her husband for a dinner outing, all four coordinated in white and denim. It's a familiar face; Lyndsay has shown up at Brittany's birthday celebrations before, going back to last year's 30th in Nashville.The carousel closes with a couple portrait of Patrick and Brittany dressed up for a night out. Her in a white zip-up top and matching mini skirt with knee-high denim boots, him in tan and white, taken outdoors at night with string lights in the background.This Vegas trip adds a whole new layer to what looked, at first, like a quieter 31st. Brittany had already kicked off the celebrations weeks early with an Ella Langley concert in Fort Worth on August 17, followed by a country-themed bash with her friend group closer to her actual birthday on August 31.Patrick also posted his own tribute that morning, a carousel of family photos with their three kids, Sterling, Bronze, and Golden, captioned simply: "Happy Birthday! ❤️ Love you Forever ❤️."Put together, it's clear this wasn't a low-key year at all, just a birthday that unfolded in parts, with the biggest reveal, the Vegas trip, saved for last.Get the latest Sports News and Live updates. Download the TOI app.