Liz Colville from "Pitchfork" said that it is "a pumping, chorus-infested jam session complete with gospel backup singers that tragically feels the need to reassure big girls they can be beautiful." Lizzie Ennever from BBC Music wrote a positive review, saying that the track is "upbeat, poppy, all-singing, all-dancing, big-band." Alexander Berntsen from Sputnikmusic wrote a positive review, saying that the song is "an incredibly fun (and happy!) tune, a genius moment. Hilarious indeed." The video was filmed on 19 May 2007 in Croydon and features several curvy women running down Croydon high street, Surrey Street Market, and Croydon College in corsets and short dresses. The finale of the video features a whole gathering of curvy women celebrating. Mika has also rerecorded the track as the promo theme for the second season of the American comedy-drama series "Ugly Betty", but with altered lyrics to say "Hey, Betty, you are beautiful" in its chorus. Mika explained to the Sun newspaper: "Betty is a real fashion icon and we should celebrate anyone like her – genuine individuals who stay true to their own identity. That's what 'Big Girl' is all about so it was the perfect fit to change the song for her. It was a huge honor to be asked to do it. I love the show." In Australia, Crazy John TV advertisements used a sample of this song. In Spain, the Galician TV station Televisión de Galicia used samples of this song in the show "O show dos Tonechos". The song is featured in the Ubisoft video games "Just Dance 2" for the Nintendo Wii and "Just Dance Now" (with a remake), and the same remake was later pushed to Unlimited, alongside the launch of "Just Dance 2016". UK CD single  Limited edition 7" single  UK 12" vinyl