Arsenal will come face-to-face with former manager Unai Emery in the Europa League semi-finals.
Two Alexandre Lacazette goals saw Arsenal win 4-nil away to Slavia Prague last night to complete a 5-1 aggregate victory.
Emery's Villareal were 2-1 winners over Dinamo Zagreb last night, and 3-1 victors over the two legs.
Gunners boss Mikel Arteta was delighted with his side's comprehensive victory
The other semi final will pit Manchester United against Roma.
United beat Granada 4-nil on aggregate courtesy of last night's 2-nil win at Old Trafford.
Edinson Cavani was on the mark in the win.
While Edin Dzeko's equaliser on the night saw Roma beat Ajax 3-2 on aggregate.
Two out-of-form sides look to rekindle their European ambitions in the Premier League tonight.
Everton host Tottenham Hotspur at Goodison Park from 8.