In May 2011, it was announced that Rivera had signed a deal with Columbia Records to produce a solo album. That same month, Rivera hosted the San Francisco GLAAD Media Awards. In November 2011, Rivera and Amber Riley performed at the 10th Annual Celebration of Dreams Event for the Dream Foundation. In December 2011, Rivera was revealed as the newest celebrity spokesperson for ProActiv. On March 24, 2012, she co-hosted the 23rd Annual GLAAD Media Awards in New York with co-star Cory Monteith. The two stars, along with John Stamos, continuing a tradition begun by Rivera when she hosted the 22nd Annual Media Awards in San Francisco, auctioned off kisses to the crowd, raising $15,000.
As the 2012 Emmy Awards approached, Rivera was listed by many critics and media outlets as deserving of a nomination. The Hollywood Reporter included her in their "Emmy 2012: Supporting Players" photo shoot, and Rivera was also honored by E!, Hitfix, TV Guide, and others. She was also chosen by the TV Academy to take part in a promotional video for the upcoming awards ceremony. Regarding her awards season buzz, Rivera commented to The Hollywood Reporter, "For people to even think that I'd be considered or a good candidate for a supporting actress nomination is mind blowing to me."
In October 2012. Rivera was featured in the third episode of MTV's new show, This Is How I Made It. In the episode, Rivera recounted her childhood career as an actress and a model, as well as the lean times that came between the age of 16 and 21, leading up to her big break of being cast on Glee. In December 2012, Rivera attended the annual Trevor Live event, where she performed her take on the song "Silent Night." Also in December 2012, the duo 2Cellos released the second single to their second album, a cover of Muse's "Supermassive Black Hole" featuring Rivera. She also starred in the music video for the song.
She has also starred in a recent M&M's commercial that aired during Super Bowl XLVII on February 3, 2013, as the girl that "Red" is referring to (and who is essentially trying to eat him) with a cover of Meat Loaf's I'd Do Anything For Love (But I Won't Do That).
Rivera's debut single "Sorry," featuring fiancé Big Sean was released as a digital download on September 17, 201