Pharrell Williams Performs on 'SNL'

After celebrating his 41st birthday on Friday, Pharrell Williams kept the party going during his visit to “Saturday Night Live.”

Rocking his green Vivienne Westwood hat and adidas G I R L track jacket, The Neptunes hitmaker brought some cheer to Studio 8H while performing the No. 1 single in the country, “Happy,” backed by a troupe of young dancers.

For his second set of the evening, “The Voice” coach performed his new G I R L single “Marilyn Monroe” for the first time, with some help from composer Hans Zimmer and a string orchestra.

Watch both performances below.

“Happy”

“Marilyn Monroe” featuring Hans Zimmer