Reece Mastin and Delta Goodrem are amongst a group of stars who decorated baubles to be put on auction for the Sydney Children's Hospital Randwick.

Collette Dinnigan, Delta Goodrem, Guy Sebastian, Reece Mastin, Brynne Edelsten, Jodi Gordon, Lisa Wilkinson and Michael Clarke have left their mark on a festive ornament, now up for auction via eBay.

Bid on the baubles here:

DELTA GOODREM | GUY SEBASTIAN | REECE MASTIN

BRYNNE EDELSTEN | COLLETTE DINNIGAN

LISA WILKINSON | JODI GORDON | MICHAEL CLARKE