LOS ANGELES, Calif. --

A new year and a fresh crop of future music all stars are angling to make their mark. From pop, to R&B, to country, beginning this week, On the Download presents our picks for those who are Ones To Watch in 2010.

Eminem has sold 32.2 million albums over the course of the 2000s, according to Nielsen SoundScan, making him the decade's most successful artist.

A source in the Bahamas told Access Hollywood that Spencer requested an appearance fee to sit poolside at the Atlantis Paradise Island beach resort in the Bahamas, the location he and his wife, Heidi, jetted off to today in preparation for the Miss Universe pageant.

The "Hills" blonde, who doubles as an aspiring pop star, will perform during the 2009 Miss Universe Pageant telecast next month, Access Hollywood can exclusively reveal

The "Right Round" rapper told CNN that he can be reached on those sites and more, but fans call also call him on his mobile phone.

Urban's latest album, "Defying Gravity," ultimately won the battle, selling more than 170,000 copies in its first week. While the Aussie has previously hit the No. 3 spot on the Billboard 200 with "Be Here" and "Love, Pain and the Whole Crazy Thing," "Gravity" marks the first No. 1 album for the country crooner.

"No Line On The Horizon" is the Irish rockers' seventh album to hit the top of the charts, selling 484,000 copies last week and securing the number one spot on the album charts.