Mel B, Katherine Jenkins to attend Derby Day

Celebrities from all over the world are flying to Australia to attend the annual Derby Day in Flemington.

According to the Herald Sun, former Spice Girl Mel B flew into Melbourne last night for the event, one of the biggest in the country's horse-racing calendar.

Katherine Jenkins and boyfriend Gethin Jones will be guests of Channel Seven in the Birdcage. Jenkins is said to be wearing a traditional black and white Rachel Gilbert dress and Jonathan Howard hat for the day.

Kelly Osbourne, LA-based actress Sophie Monk and Dame Edna Everage are also expected to attend.