The acts are reportedly all on the guest list for Humes and Wiseman's big day and could make an appearance on stage.
Pixie's school donation
The singer contributes to fund for disadvantaged children
Pixie Lott has donated £50,000 to the Italia Conti, the famous stage school that the singer attended between 2000 and 2006.
The money will go towards the Andrew Sargeant Fund, named after a former pupil, and friend of the singer, who passed away a few years ago.
The fund will help children from poorer backgrounds finance their school tuition fees.
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