Taylor Swift is in the building ... "all white outfit with the red bag… slay," one fan added. "i loveee her outfit. she looks so good," one fan added. "SHE’S IN WHITE omggg I need to see ...

Taylor Swift struck out at the Grammy Awards on Sunday ... "Just 2 divas coming together for THE joint slay," a user wrote.

Below, see the brightest stars slay on the 2025 Grammys red carpet, from pitch-perfect dresses to anything-but-basic suits.