The 48-year-old posted a photograph on social networking website Facebook Sunday night.
"At the Grammys," he captioned the photograph.
He later posted another photograph where he looked dapper in a collared shirt teamed up with matching blazer.
"And this was at my home in LA earlier today (Sunday)...on the way to the Grammys," he said about the photograph.
Rahman had won two awards at the 52nd Annual Grammy Awards for his compositions in "Slumdog Millionaire" - best compilation soundtrack for a motion picture and best motion picture song for "Jai ho" at the awards ceremony in 2010.