But that wasn't enough to stop Mila Kunis from getting to her yoga class in Los Angeles on Thursday.Admittedly it was a prenatal class but she may not be able to get to many more as her baby bump continues to grow.n full bloom! Pregnant Mila Kunis celebrates her 31st birthday at a prenatal yoga class... where she was given a bouquet of flowers on Wednesday

The actress donned a tight, black vest that showed off her expanding tummy and stretchy black shorts with a white strip down the side.The brunette wore Reef flip flops as she made her way to hger back to her car, holding her keys in one hand and a large cold drink in the other.

The Ted star and her fiancé, Ashton Kutcher, were thought to be expecting their baby girl in October. But on Monday, a source close to Mila told Radar Online: 'She is scheduled to be delivering in less than a month and she cannot wait.'

Hasn't she grown! Mila shows off her baby bump at a prenatal yoga class in LA.Although Mila has stayed fit throughout her pregnancy, the actress admitted to Marie Claire she's thoroughly enjoying having larger breasts.'They're amazing!' she said of her boobs. 'They've tripled in size. I was a 34A; now I'm a 36C. I'm so excited! I'm telling everyone I know, "Go ahead, touch them!" '

The glowing star also told the mag she loves being pregnant and hopes to have more children.Ashton, 36, was nowhere to be seen on Mila's outing but the couple are believed to be tying the knot next July.She recently told W magazine 'I never wanted to get married. From the age of 12, I prepared my parents for no marriage.