It's 11 wins in-a-row for Ireland at the Aviva Stadium.
Andy Farrell's side have beaten Fiji by 35-points to 17 in the second of this season's Autumn Internationals.
Two tries for Nick Timoney and one from Robert Baloucoune helped Ireland to build a 21-10 half-time advantage.
Cian Healy and Mack Hansen added tries in the second-half.
Robbie Henshaw limped off in the first-half and he's now a doubt for next week's match aganst Australia.
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Italy have beaten Australia for the first-time in their history.
The Azzurri held off a late fightback from the Wallabies to win 28-27 in Florence.
England lead 17-nil against Japan at Twickenham with Marcus Smith and Freddie Steward scoring tries.