The spokesman admitted May had not watched the performance by Stormzy, who won the award for Best Male Solo Artist at the ceremony. He was hailed as this year's International Male Solo Artist.
In addition, Chappell-signed MNEK co-wrote "Blinded By Your Grace Pt 2", a standout track from Stormzy's Gang Signs & Prayer.
Lipa, whose self-titled debut was one of 2017's breakout albums, was named British female solo artist and British breakthrough artist.
Chart-topping star Dua Lipa has explained that her decision to take her younger brother and sister on stage at the BRITs was a "spur of the moment thing". She was nominated in a total of five categories.
Following up on gestures at the Golden Globes, Grammys and British film awards, guests at Britain's biggest music awards show were given flowers or white rose pins to wear in solidarity with the Time's Up movement.
Rag'n'Bone Man won Best British Single for "Human".
Lorde has claimed her second major win at the Brit Awards, joining an elite club including Beyonce, Madonna, Rihanna and Kylie Minogue.
The Damon Albarn-fronted group Gorillaz won the British Group Award.
Last night during his performance, Stormzy sang: "Yo, Theresa May, where's that money for Grenfell?".
Ellie explained: "We're very proud to be women and I think we can all agree we've been stepping up for years".
The show also saw Oasis frontman Liam Gallagher perform "Live Forever" in a tribute to the 22 victims of a suicide bombing attack on a venue hosting a concert by U.S. pop star Ariana Grande in Manchester last May.
Another much-discussed event happened when host Jack Whitehall (less irritating than usual) sat down with Cheryl and Liam Payne and cheekily discussed "safe words" in the bedroom.