Black Eyed Peas Hit the iHeartRadio Music Festival

Stacy “Fergie” Ferguson

Bringing the beat to the star-studded affair, the Black Eyes Peas hit the stage at the iHeartRadio Music Festival in Last Vegas last night (September 23).

Showing off her fabulous figure, Stacy “Fergie” Ferguson joined her "I Gotta Feeling" bandmates in a slinky black leotard, fishnet stockings and a pair of over-the-knee boots.

Adding to Friday night's performance duties at the sold-out event were Carrie Underwood, Jay-Z and Kelly Clarkson and Coldplay.

The two day festival will close out tonight with some of the music world's biggest acts, including Nicki Minaj, Kenny Chesney, Jennifer Lopez and Lady Gaga.

Kelly Clarkson: iHeartRadio Music Festival Fabulous

Joining the many stars taking the stage in Las Vegas, Kelly Clarkson performed during day one of the iHeartRadio Music Festival on Friday night (September 23).

The "American Idol" alum confidently belted out an array of her hit songs at the MGM Grand Garden Arena venue including her brand new single "Mr Know It All".

Miss Clarkson joined a full slate of talent partaking in the first running of the iHeartRadio Music Festival - as Carrie Underwood, Jay-Z, Coldplay and the Black Eyed Peas were among other acts on-hand for the music extravaganza's opening night.

The two day Sin City showcase will close out on Saturday with top names such as Lady Gaga, Nicki Minaj, Kenny Chesney and Jennifer Lopez.