Britney Spears has appealed to the public to pray for her niece

Britney Spears has appealed to the public to pray for her niece Maddie following her accident at the weekend.

In an Instagram post, the singer said, "Need all the wishes and prayers for my niece".

‪Need all the wishes and prayers for my niece ?‬

A photo posted by Britney Spears (@britneyspears) on Feb 6, 2017 at 2:14pm PST

Maddie, who is 8 years old and the daughter of Jamie Lynn Spears, was involved in an accident on Sunday when the quad bike she was in drove into a pond. Maddie, who was out hunting at the time, got trapped under water and fell unconscious. She was later transported to the hospital where she was said to be in a serious condition. Jamie Lynn's dad spoke to media shortly afterward saying that they needed prayers for Maddie. Maddie is pictured below in a similar quad bike to the one the accident occurred in.

My baby is ready! Had an awesome weekend with maddie and April! I love yal!

A photo posted by Casey Aldridge (@caseyaldridge0814) on Sep 2, 2013 at 2:07pm PDT

Jamie Lynn has previously shared pictures of them hunting.

Somewhere in a duck blind ??

A photo posted by Jamie Lynn Spears (@jamielynnspears) on Nov 26, 2016 at 9:34am PST