Blue star Lee Ryan has pleaded guilty to failing to provide a specimen and to criminal damage.
He was supported by his fellow band members at Ealing Magistrates' Court in west London.
More top news
The curtain will come down on the show for the final time at the Piccadilly Theatre in March next year, before embarking on a UK tour.
Choudary was jailed after encouraging backing for the terrorist group IS in a series of talks posted online.
In an interview with ITV News, Antonio became the first England player to speak out about the allegations against Sam Allardyce.