Graham Potter's Brighton were excellent from start to finish and recorded their third Premier League win four matches to lift them up to 15th and away from the relegation zone.
The all important goal arrived on 56 minutes as Solly March delivered a ball to the far post and Dan Burn did superbly to head the ball back into the danger zone and Steven Alzate finished off for his first goal in the Premier League for Brighton.
Brighton were the better team and almost made it two when Pascal Gross forced a fine low save from Kelleher.
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Brighton were the better team and almost made it two when Pascal Gross forced a fine low save from Kelleher.