Britain's Got Talent behind the scenes as very famous face in live audience gives sneak peek

A celebrity who was in the audience of this weekend has shared behind-the-scenes content from production of the latest semi-final. It's included showing fans of the talent show what they didn't see on TV.

, 65, and her pal , 55, were in the audience at the Eventim Apollo in last night for the last semi-final of BGT's latest series. The presenters watched on as more acts competed for the chance to be in , which is scheduled to air next Saturday.

panelist Ruth and former host Lucy both shared updates from their evening out on . They provided insights into what it's like to be in the audience for the long-running show.

READ MORE:

READ MORE:

Ruth reflected on the experience this morning. In her first post about it, she told her followers that she had been invited by ITV and shared footage of what those in the theatre saw on screen before the live broadcast began.

A black screen with production details and a countdown clock was visible on the stage in the clip. It suggested that filming of the "opening sequence" was about to take place as well as providing further details about the broadcast.

She went on to share a video of judges , , and walking out onto the stage. They were joined by , who's been a guest judge this year. Ruth wrote: "Here they are!!"

The presenter then posted footage from the opening performance by the cast of Here & Now and the group , whose music inspired the new jukebox musical. Over the top of one clip, Ruth teased that it was "fantastic".

Ruth and Lucy later spent time with the judges inside the venue. One photo showed them stood beside Amanda, with Ruth writing: "Looking sensational as always!" She described KSI as her "new BFF" alongside a photo of herself and him.

In one of her posts, host Lucy also gave her followers a glimpse of a "sing along" that she enjoyed as part of the audience prior to filming of the semi-final. Like others in the crowd, Lucy and Ruth were seen dancing as 's Shine was played whilst the stage was cleaned.

Ruth later shared the footage on her own Instagram Story. The former host confirmed in her caption that it had taken place during a "warm up" before the show. She wrote when she shared it: "Love a pre-show warm up."

Lucy also posted a video from towards the end of the evening when the acts were stood on stage ready to find out who had made it through to the final. She told her followers in the caption: " All filmed live ... Who will win."

In the clip, a voice was heard telling the crowd: "30 seconds to go Hammersmith Apollo." A black screen, like the one in Ruth's post from before filming began, was seen in the background of the stage with details of the scene.

Like this story? For more of the latest showbiz news and gossip, follow Mirror Celebs on , , , , , and .