Miranda Lambert pulled a Hilary Swank at Sunday's Grammy Awards.
PHOTOS: What all the stars wore at the Grammys
While accepting a trophy at the L.A. bash, the "House That Built Me" singer made a glaring omission among her many thanks: Her fiance Blake Shelton, who beamed from the audience!
PHOTOS: Best show moments at the Grammys
"I forgot!" a mortified Lambert, 27, explained in the press room backstage.
Lambert and Shelton, 34, plan to tie the knot this spring.
PHOTOS: Engagements of the year
"I'm looking forward to getting married -- just doing it," she told UsMagazine.com last year. "Just taking that next step and becoming a woman and moving on in life."
Get more Us! Follow us on Twitter, Friend us on Facebook, Subscribe to Us Weekly
Fergie, Sarah Jessica Parker, and Heidi Klum all get an F on this week's Fashion Offenders.
Beyonce and Alicia Keys double date with their famous hubbies on today's Celebs Gone Social.
See what the cast of "American Beauty" is up to today.
Jennifer Lopez shares an adorable photo of her look-alike daughter, plus more celebritots on social media on today's Celebs Gone Social.
Prince Harry, Jessica Alba and more stars who threw out the first pitch at baseball games.
Sofia Vergara poses in a revealing neon bikini while her "Modern Family" castmates hit the beach in Australia on Celebs Gone Social.
Get the scoop on the RHONJ stars' recent whereabouts on Replay.
© 2015 Whalerock Industries