Carly Rae Jepsen tops the lists of nominees for the 2013 JUNO Awards, to be held over two nights in Regina, SK, with the gala dinner April 20 and televised show on the 21st, The Canadian Academy of Recording Arts and Sciences (CARAS) announced at a press conference in Toronto this morning.

The pop singer was nominated for five awards: JUNO Fan Choice, Single, Album, Artist, and Pop Album. She will also perform on the Sunday night broadcast from Brandt Centre on CTV.

Host Michael Bublé, the host of the 2013 JUNO Awards Broadcast, is also nominated for JUNO Fan Choice Award and will perform. Other performers announced are Billy Talent and Marianas Trench, both of which headline arenas in Canada. More acts will be announced in the coming weeks.

Following Jepsen is Justin Bieber, the Canadian lad that got her career rolling internationally when he heard “Call Me Maybe” on a trip back home (co-written by Marianas Trench’s Josh Ramsay). The superstar is up for four: Album, JUNO Fan Choice, Artist and Pop Album.

Eight-time JUNO Award winnter K.D. Lang will also be inducted into the Canadian Music Hall of Fame.

Triple nominees include Metric for Group, Alternative Album and JUNO Fan Choice; Hedley for JUNO Fan Choice, Single, and Album; and Marianas Trench for JUNO Fan Choice, Album and Group. Also in Fan Choice are Celine Dion, Drake, Leonard Cohen and Nickelback. And in Artist of the Year, along with Jepsen and Bieber, are Deadmau5, Johnny Reid and Leonard Cohen. Joining Hedley’s “Kiss You Inside Out” and Jepsen’s “Call Me Maybe” for Single of the Year are Billy Talent’s “Viking Death March,” Serena Ryder’s “Stompa” and the Sheepdogs' “The Way It Is.”

Contenders for Album of the Year, in addition to Jepsen’s Kiss, include Hedley’s Storms, Marianas Trench’s Ever After, Bieber’s Believe and Celine Dion with her francophone Sans Attendre.

Billy Talent, Marianas Trench, Metric, Rush and the Sheepdogs go head to head for the Group of the Year title.

The International Album of the Year category finds Maroon 5’s Overexposed, Mumford & Sons’ Babel, One Direction’s Up All Night, Rod Stewart’s Merry Christmas, Baby, and Taylor Swift’s Red set to do battle.

The Breakthrough Artist category (formerly known as New Group) is a well-deserved lot: Cold Specks, Elisapie, Grimes, Kira Isabella and The Weeknd grabbed nominations, while Breakthrough Group includes Monster Truck, The Pack a.d., Walk Off The Earth, Hey Ocean! and Yukon Blonde. Alternative Album nominees are Hannah Georgas for her self-titled release, Japandroids’ Celebration Rock, Metric’s Synthetica, Said The Whale’s Little Mountain and Stars’ The North.

Leonard Cohen’s son Adam is also up for inaugural Adult Contemporary Album of the Year for his album Like A Man. Fellow nominees are Barlow for Burning Days, the late Raylene Rankin for All The Diamonds, The Tenors for Lead With Your Heart, and Céline Dion’s Sans Attendre.

For more nominees, including the rock,metal/hard music album, electronic album, rap recording, and R&B/soul recording, go here. JUNO Week takes place in Regina and Moose Jaw, April 15 to 21.

Sponsors of the 2013 JUNO Awards include FACTOR, Canada's Private Radio Broadcasters and The Government of Canada through the Department of Canadian Heritage's "Canada Music Fund," Radio Starmaker Fund, the Province of Saskatchewan, Potash Corporation, the City of Regina, the Regina Hotel Association, the City of Moose Jaw, and TD.

Warner Music Canada will be releasing The JUNO Awards 2013 Nominee Compilation album on March 19 to benefit CARAS’ music education charity known as MusiCounts. As in previous years, the project is a joint venture between Sony Music Entertainment, Universal Music Canada and Warner Music Canada in conjunction with The Canadian Academy of Recording Arts and Sciences (CARAS).