Pharrell, Ariana Grande Performing at NFL Kickoff

The National Football League's kickoff game will be a "Happy" place on September 4.

Pharrell Williams, along with Ariana Grande, have been announced a performers for the season-launching game between the Super Bowl Champion Seattle Seahawks and the Green Bay Packers that night at CenturyLink Field in Seattle.

Pharrell will perform prior to the game, which will be aired on NBC and the NFL Network. Grande, meanwhile, will sing the national anthem just prior to kick-off.

Hard rockers Soundgarden will also be performing earlier in the day outside the stadium; the NFL Network will carry part of its show as well.