Middlesex have signed South African batsman AB de Villiers for the first seven rounds of their 2019 Vitality Blast campaign.
Vitality Blast champions Worcestershire will kick off their title defence at Notts, with Finals Day set for September 21.
Worcestershire claimed the honours on a day featuring milestones for Luke Wright and Rob Key in a fish head!
Nasser Hussain hailed Moeen Ali as someone to be "proud of" after he steered Worcestershire to the Vitality Blast trophy.
Moeen Ali and Ben Cox said there is more to come from Worcestershire after the Rapids won the Vitality Blast final.
Worcestershire won their first Vitality Blast title with Moeen Ali, Pat Brown and Ben Cox starring in a five-wicket victory over Sussex.
Rob Key heads into the Hollies Stand during Finals Day to spend some time with the joyous spectators at Edgbaston...
Luke Wright smashed the highest score by a batsman at Finals Day as Sussex beat Somerset to make the final at Edgbaston.
Alfred the Gorilla's winning run came to an end as Leicestershire's mascot 'outfoxed' the opposition to take the spoils...
Moeen Ali starred as Worcestershire booked their place in the Vitality Blast final with a 20-run victory over Lancashire.
Sussex’s Tymal Mills, Jofra Archer and Chris Jordan go ten-pin bowling before they aim to skittle the opposition at Finals Day.
Jos Buttler reflects on Alastair Cook's champagne finish and sets his sights on Vitality Blast Finals Day glory...
Hat-tricks, stunning catches, outrageous hitting... this summer's Vitality Blast has truly whetted the appetite for Finals Day!
All the best bits from last year's T20 Blast Finals Day, including Samit Patel's performance and Andrew Flintoff's tumble!
The stage is set - but will Sussex, Somerset, Lancashire or Worcestershire come out on top on Vitality Blast T20 Finals Day?
Lewis Gregory and Jamie Overton starred as Somerset beat holders Notts by 19 runs to reach Vitality Blast Finals Day.
Somerset and Notts will return to Taunton for their Vitality Blast quarter-final on Monday after rain prevented any play on Sunday.
Worcestershire reached their first-ever Finals Day as they defeated Gloucestershire by five wickets in a low-scoring quarter-final.
Sussex Sharks eased to a five-wicket victory over Durham Jets at Emirates Riverside to qualify for Vitality Blast Finals Day.
Keaton Jennings hit a crucial 46 as Lancashire booked their place at Vitality Blast Finals Day with victory over Kent.
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