Amber Riley's touching tribute to Naya Rivera on 'Kimmel' has viewers in tears

Amber Riley closed out Thursday’s Jimmy Kimmel Live! with a touching tribute to her late former Glee co-star Naya Rivera.

Kicking off Riley's performance, actor Lil Rel Howery, who guest-hosted the episode, stated, "But on a sad note, not too long ago, we both lost a really amazing friend in a tragic accident and we both will miss her forever and I really want to thank this show for letting us do this, and she's here to perform a tribute to our good friend Naya Rivera."

Rivera, who died in July at age 33 after drowning in a Southern California lake during a boating trip with her son, starred alongside Riley on the hit musical television series Glee.

Following Rivera's death, Riley posted on Instagram, writing: "My favorite duet partner. I love you. I miss you. I don’t have words right now, just lots of feelings. Rest In Peace Angel, and know that your family will never have to worry about anything."

On Thursday, Riley's moving performance of "A Moment" didn't go unnoticed. Viewers took to Twitter praising Riley and even had some in tears:

And following her performance, Riley herself took to Twitter to express her own emotions.

Jimmy Kimmel Live! airs weeknights at 11:35 p.m. on ABC.

Watch Ed O’Neill surprising Sofia Vergara live on ‘America’s Got Talent’:

Read more from Yahoo Entertainment:

Tell us what you think! Hit us up on Twitter, Facebook or Instagram. And check out our host, Kylie Mar, on Twitter, Facebook or Instagram.