Watch: N.E.R.D. and Rihanna team up for new single 'Lemon'
NERD via Youtube

Hip-hop group N.E.R.D., featuring Pharrell Williams, Chad Hugo, and Shay Haley, is making a comeback. The group dropped their new single "Lemon" featuring Rihanna. This marks their first new song in three years. The music video for the song was also released, which features a woman getting her head shaved by Rihanna. She becomes the focus of the video as she dances through an indoor flea market. Check it out above.

"Lemon" is available for download and streaming. The song will also be released on a yellow 7" vinyl featuring a version without Rihanna.

The song comes after a mysterious billboard appeared in Los Angeles promoting a N.E.R.D. project entitled "No One Ever Really Dies." It's unclear whether this is the title of a new album or something else entirely. The group's last album, Nothing, dropped in 2010. The group recorded new music in 2015 as part of the "Spongebob Squarepants Movie: Sponge Out of Water" soundtrack.

In the meantime, N.E.R.D. are set to perform at ComplexCon in Long Beach, CA this weekend.