Keep it on the downlow, but it looks like X Factor champ Alexandra Burke will be performing at Marvin Humes and Rochelle Wiseman's wedding, which is reportedly tomorrow.
But don't tell Rochelle - it's a surprise.
Alexandra was chatting to Key103Live radio when she broke the news of her exciting performance for fellow X Factor pal Marv.
She said: "It's a surprise, she doesn't know."
It's set to be a pop-packed occasion with The Saturday's Rochelle marrying JLS's Marvin, we're expecting pop colleagues galore!
Myleene and Graham
One former popstar who probably isn't as excited about attending the wedding is Myleene Klass, who will be confronted by her estranged husband Graham Quinn, who's an Usher.
“They’ve both got reason to be there. Graham is an Usher, but then Myleene has grown close to Rochelle over the years,” a source tells The Sun.
“The feeling is why should she give up her invite when she’s done nothing wrong? She doesn’t see why she should shy away from it. If they do both end up going, they will have to avoid each other. But it’ll be hard.”
Just head straight for the bar and keep the bucks fizz glass topped up Myleene.
Rochelle and Marvin will be tieing the knot at the birthplace of Sir Winston Churchill, Blenheim Palace, and are said to have spent thousands on the 18th century mansion.
"Rochelle fell in love with Blenheim when she went to see it and loves the history of the place...The gardens are beautiful and she can't wait to have her wedding pictures done surrounded by her nearest and dearest. They are going all out for the wedding. And their families are tickled Pink by the Winston Churchill connection," a source said.
Anyone fancy having a go at wedding crashing?