Adele is the top finalist for this year’s Billboard Music Awards, leading in 18 award categories. The Grammy-winning 23-year-old British singer is in the running for top artist, top female artist and top Billboard 200 chart artist while her hit song ‘Rolling in the Deep’ is a contender in seven categories. Electric pop-duo LMFAO is right behind the British songstress with 17 finalist categories. Rihanna racked up 13 nods, while Lady Gaga and Lil Wayne each landed a spot in 10 of Billboard’s award categories. The Black Eyed Peas, Coldplay, Lady Antebellum, LMFAO and Maroon 5 are competing for the trophy of best duo/group, while Adele, Bieber, Michael Bublé, Gaga and Lil Wayne are in the running for Billboard 200 Artist. Adele is also the front-runner for the Hot 100 Artist, with LMFAO, Bruno Mars, Katy Perry and Rihanna also competing in the same category. Justin Bieber, Carrie Underwood, LMFAO and The Wanted are among the acts set to perform at the awards ceremony. The winners are based on chart rankings, along with album sales and downloads, track downloads, radio airplay and touring as well as streaming and social interactions. This year’s kudosfest will take place at Las Vegas’ MGM Grand on May 20.