Will Smith's children will be flying in from the States to perform at the London festival, which will take place across three dates on 3rd, 4th and 5th July at Finsbury Park.
Today's announcement also saw new acts added to the line-up, including Big Reunion stars Damage, The Voice UK winner Jermain Jackman, OWS aka Oritsé Williams, Charli XCX and Jess Glynne.
And, we're told there will be a very special announcement this Wednesday at 8am - exciting!
This year's festival will be headlined by Drake, Avicii, Kendrick Lamar, David Guetta and Nicki Minaj.
The first set of performers were announced in January, with the likes of Jessie J, Clean Bandit, Wretch 32 and Fuse ODG performing at the music event.
Last year's festival saw the likes of Kanye West, Bruno Mars, Pharrell Williams and Outkast take to the stage - recap last year's Wireless Festival here!
For more information, please visit wirelessfestival.co.uk
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