Heidi Klum hasn't decided what look to go for at the Oscars.

The supermodel plans to wait until the very last minute to choose a hairstyle and bling to accessorize her gown for the 85th annual Academy Awards ceremony this Sunday (24.02.13).

She told People magazine: ''[My dress is] being made in Paris right now and being flown in on Friday. Once I try it on, I will think of my hairstyle. The dress is always first, then the hair, make-up and jewels.''

Heidi is known for her bold hairdos and daring fashion choices at red carpet events - memorably making headlines last November at the MTV EMAs thanks to a bejewelled turquoise gown boasting both a plunging neckline and thigh-high split - but she promised she will be keeping it simple when it comes to her blonde locks this weekend.

She explained: ''Some people might not like when my hair is shorter, including my daughter Leni. I did cut a short bob twice - and grew it out again. I just love long hair. I've cut bangs again and again too, [then] grown them out. It's back and forth!''

The 39-year-old star also revealed she was seriously jealous of actress Julianne Moore's long auburn mane and always looks forward to seeing her walk the red carpet.

Heidi said: ''Julianne Moore has the best hair in Hollywood right now. I love her colour and length. It really suits her.''