Megan Fox Toronto - Arabstoday After ditching the strict vegan diet that whittled away her curves, Megan Fox was back to her voluptuous best today in a sizzling red dress.The 25-year-old, who admitted recently that a dietary regime had seen her become too thin, wowed fans and onlookers in the draped mini-dress at the premiere of her new film, Friends with Kids.Wearing her chesnut hair loose, the beautiful actress teamed the crimson corset frock with eye-catching Dalmatian patterned heels.She was in Toronto to promote her role in the independent film, which stars Mad Men's Jon Hamm, 41 , and Bridesmaids hit Kristen Wiig, 38.The movie is the directorial debut of Hamm's partner, Jennifer Westfeldt, 41 , and also stars Adam Scott, Maya Rudolph and Chris O'Dowd.Fox plays to type as a sultry love interest in the tale of single friends feeling left behind as their married counterparts procreate.And it's beyond dispute that Megan was far from mumsy today.The starlet, who is married to actor Brian Austin Green, oozed the sensual appeal of a Betty Page for the 21st century, now that she's regained the curves that eluded her for so long. She said: 'For a year and a half, until about four months ago, I followed a strict vegan diet based on raw fruits and vegetables, no bread, sugar and coffee. But I had lost too much weight. 'So now I eat a bit of everything. And I train three times a week doing circuit training with my trainer Harley Pasternak.' Meanwhile, Hollywood fitness king Pasternak has since revealed that Megan is now following his 5 Factor diet, which sees the dieter eat five small meals a day combined with 25 minutes of exercise broken down into five five-minute sessions. He told Starlounge UK: 'She follows the 5-Factor diet which is to eat five small meals a day which include the five dietary factors including healthy fats, lean protein, fibre and a non-sugar drink. 'If she needs to snack between meals then she has our 5-Factor crisps which keeps her satiated between meals.' Referring to what he and Megan do to help maintain her curves, Pasternak added: 'Megan wants her body to reflect who she is. She looks awesome. She’s natural, softly spoken and her personality shines through her fantastic shape. 'Megan’s also lucky because her husband Brian Austin Green follows the same workout routine. They share the same enthusiasm for a healthy lifestyle which is fantastic too.'