Win Katy Perry Concert Tix, Meet & Greet, Flights, Accomodation in Sydney from Covergirl

Purchase a Covergirl product from participating retailers and answer the following question:
In 25 words or less tell us what your favourite Katy Perry music video makeup look is and why?

Prize:
2 x premium tickets to Katy Perry’s Prismastic World concert on Friday 21st November at Allphones Arena, Sydney
2 x backstage meet and greet passes on Friday 21st November at Allphones Arena, Sydney
2 x return airfares from the Winner(s) nearest capital city
1 x night of twin-share accommodation in Sydney
1 x $150 RRP CoverGirl product pack

You need to provide a receipt number and keep your receipt. Can enter once per receipt.
Participating retailers appear to be Coles, Woolies, Priceline, Big W, K-Mart, Target and various discount chemists.

Some CoverGirl products were on clearance at K-Mart when I went today (3/10) - I picked up some nail polish for $3, and they had lipstick priced at $2 but were out of stock.