(Cover) - EN Star Style - Mila Kunis was shocked to learn that it wasnt appropriate to wear sweatpants for media interviews.

The 27-year-old actress is well known for her roles in hit programmes such as That '70s Show, and she has recently impressed critics with her astounding performance as ballerina Lily in thriller Black Swan.

Mila often looks stylish on the red carpet, although in reality she prefers more laidback attire. The beauty has now learnt to get dolled up for attending industry events and doing promotional work, as she realised people didnt like her looking casual.

Im learning. Im being forced to be a fashionista because apparently wearing sweatpants to do press junkets is not appropriate, she laughed.

The star admits she can sometimes be clueless when it comes to putting outfits together, so has enlisted the help of a stylist. Having received tips from experts, Mila feels her fashion sense is getting stronger by the day.

So I do appreciate fashion I personally havent figured it all out yet, but I hired people who have! she told the British edition of OK! magazine. (C) Cover Media