Justin Bieber and his girlfriend, Selena Gomez, are among several stars who have been added to the list of presenters at this Sunday's Billboard Music Awards in Las Vegas.

Bieber is a leading finalist at the Billboard Music Awards, along with such acts as Eminem, Lady Gaga and Rihanna. The teen sensation will be competing in 11 categories, including Top Artist, Top New Artist and Top Male Artist.

In addition to Bieber and Gomez, other newly announced presenters include Joe Jonas, Kylie Minogue, Marc Anthony, Keri Hilson, Nas and 'Glee' star Matthew Morrison.

As previously reported, the Billboard Music Awards will feature performances by Rihanna, Cee Lo Green, Nicki Minaj, Far East Movement, Kesha, the Black Eyed Peas and others. Beyonce will make a special appearance to receive the 2011 Billboard Millennium Award.

Check out all the action when the Billboard Music Awards airs Sunday from 8-11PM ET on ABC.

Watch the Justin Bieber 'Never Say Never' Video Feat. Jaden Smith

More From PopCrush