Smile (Avril Lavigne song)

"Smile" is a song by Canadian singer-songwriter Avril Lavigne. The song was written by Lavigne with Max Martin and Shellback. It was produced by Martin and Shellback. "Smile" was released on April 11, 2011 to Australian radio stations. It was the second single from Lavigne's fourth album "Goodbye Lullaby". 
Background.
Lavigne asked her fans in Twitter what the next_title from Goodbye Lullaby should be. She asked them to choose between "Push" and "Smile". Lavigne confirmed that "Smile" was to be the second single from the album. Lavigne herself wanted "Push" to be released. The singer's record label, RCA, announced that "Smile" will be sent out to Polish radio in April. It would be sent out to USA, Canada, New Zealand, Asia, and the UK around this time. Lavigne posted photos of the set of her music video. This was on April 21, 2011.
Promotion.
Lavigne will perform the song on the German show "Schlag den Raab" on June 4, 2011. 
Personnel.
Source: