Music Miranda Lambert's Boyfriend Anderson East Posts Sweet Tribute Following ACM Awards: 'Couldn't Be More Proud' By Leena Tailor 8:08 PM PDT, April 4, 2017 Photo: Instagram Anderson East is over the moon with pride for his girlfriend Miranda Lambert following the country queen's record-breaking win at the Academy of Country Music Awards on Sunday. The 28-year-old musician took to Instagram on Monday to share a cute black-and-white snap of the pair, along with a sweet tribute. WATCH: Miranda Lambert Breaks Impressive ACMs Record “Couldn't be more proud of this little lady and the amazing art she brings with her. @mirandalambert,” East captioned the photo, taken at the awards ceremony in Las Vegas. Lambert nabbed the award for Female Vocalist of the Year for the eighth consecutive year, smashing a record previously held by Reba McEntire. “This really means the world to me,” the 33-year-old “Vice” singer said in her acceptance speech. “I’m just glad to see females kicking ass these days, I’m so proud to be part of that.” WATCH: Miranda Lambert Gives Off Bridal Vibes in White Gown at ACM Awards Lambert had a big night at the show, performing her latest single, “Tin Man,” and also taking home the Album of the Year award for The Weight of These Wings. Of course, every epic night calls for a stunning outfit. Check out Lambert’s gorgeous white gown below. Miranda Lambert Performs 'Tin Man' at ACMs, Thanks Fans for 'Letting Me Use My Heartbreak' Related Gallery2017 Academy of Country Music Awards -- See the Stars on the Red Carpet!