Cronulla have broken through for their first NRL premiership, beating Melbourne 14-12 in a historic grand final at ANZ Stadium.

The Sharks, without a trophy since joining the competition in 1967, dominated early for an 8-0 lead at half-time, but conceded two tries to let the Storm back in the game.

Andrew Fifita sealed the famous win with a try under the posts in the 70th minute, which was converted by James Maloney.