This year’s Billboard Music Awards, set for tonight (Sunday night) will be quite the star-studded affair. The telecast, will feature performances from Kelly Clarkson, Carrie Underwood, Justin Bieber, LMFAO, Usher, Linkin Park and Chris Brown. In addition, Katy Perry will be debuting a new song, ‘Wide Awake’ and Whitney Houston will be posthumously honoured with the Billboard Millennium Award. Jordin Sparks and John Legend will perform a tribute to Whitney. As if that weren’t enough, Stevie Wonder will also be presented with the prestigious Icon Award and will be saluted with an all-star tribute during the show. Of course, there also will be a lot of awards handed out. Adele, LMFAO, Rihanna, Lady Gaga and Lil Wayne are the top nominees for the awards, with Adele leading the pack as a finalist in 18 award categories, including Top Artist, Top Female Artist and Top Billboard 200 Artist. LMFAO are finalists in 17 categories, while Rihanna is nominated in 13 categories and Lady Gaga and Lil Wayne are each nominated in 10 categories. The nominees for Top Billboard 200 album are Adele’s ‘21’, Lady Gaga’s ‘Born This Way’ and Lil Wayne’s ‘Tha Carter IV’. The nominees for Top Billboard Hot 100 song include ‘Rolling in the Deep’, ‘Moves Like Jagger’ and ‘ET’. Competing for Top Female Artist are Adele, Lady Gaga, Katy Perry, Rihanna and Nicki Minaj. The Top Male Artist category pits Bruno Mars and Chris Brown against Drake, Justin Bieber and Lil Wayne.