The biggest and most popular names in music are attending the 2015 American Music Awards with massive all-star lineup set to light up the stage with exciting performances. Jennifer Lopez will be guiding everyone through today's epic festivities and the artist's outfits are already something fans are excited about.

There will be a flurry of performances to look forward to, including that of the hottest boybands around – One Direction and 5 Seconds of Summer. AMA nominee for Favorite Male Artist Pop/Rock Nick Jonas is also performing as well as Demi Lovato, who is taking the AMA stage for the first time.

Speaking of first time, watch the debut performance of Walk the Moon, the indie rock band behind "Shut Up and Dance" that are also nominated for New Artist of the Year in 2015 American Music Awards. First time nominee The Weeknd is ready to charm the audience with his single "The Hills" too.

Coldplay isn't missing the show and the band is all set to debut their new album "A Head Full of Dreams" during the awards. Macklemore and Ryan Lewis are singing their all-new hit while Gwen Stefani is putting a show with a performance of her hit single "Used to Love You."

Alanis Morissette will perform twice in the 2015 American Music Awards. First will be a solo showing and on the second one, Lovato will join the singer-songwriter. Selena Gomez will be in the scene with Carrie Underwood and Ariana Grande set to sing on the same stage too.

What's 2015 American Music Awards without the chemistry of duets? Luke Bryan is performing "Home Alone Tonight" with Karen Fairchild of Little Big Town tonight. Meghan Trainor and Charlie Puth will then join up to sing "Marvin Gaye" after the former treats fans with a performance of her single "Like I'm Gonna Lose You."

Acapella group Pentatonix is ready to wow fans with an epic performance inspired by "Star Wars: The Force Awakens," in recognition of the nearing launch of the much-awaited movie next month.

One of the biggest highlights in 2015 American Music Awards is Celine Dion's heartfelt tribute performance to victims of the terrorist attacks in Paris last Nov. 13. The legendary hitmaker will sing "Hymne a L'Amour" ("Hymn of Love" in English), which was originally sang by Edith Piaf.

Justin Bieber will be in charge of closing the show. The annual ceremony has begun with celebs starting to pour onto the red carpet. The 2015 American Music Awards airs Nov. 22 at 8 p.m. ET on ABC. Don't miss a beat and follow the livestream of the show on the ABC website and the ABC app.