In 2006 he took part in Let's Dance, with dance partner Maria Karlsson. He triumphed and took 1st place. As well as appearing as Danny in the Swedish version of the musical Grease, Måns signed a record deal with M&L Records (a division of Warner Music Sweden). His debut album ''Stand By For...'' was released on May 23, 2007. It reached number 1 in Sweden and was certified platinum by IFPI. All of its single releases reached the top 50 in Sweden. In 2007 Måns also starred in the musical version of 'Footloose'. In 2008 he went back to the studio to write for his second album, 'MZW'. It was released in late March next year. It reached number 1 on the Swedish Albums Chart and has so far been certified gold by IFPI. In 2009 Måns played a summer tour in Sweden, performing songs from both his albums.
He has participated thrice in Melodifestivalen, the competition to determine the Swedish entry to the Eurovision Song Contest:
In November 2006 it was announced that Måns would compete in the 2007 competition. His song was Cara Mia. From the 3rd semi-final (held on February 17 in Örnsköldsvik) he proceeded to the final (held on March 10 at Globen, Stockholm). There Måns finished 3rd, behind the winner The Ark and runner-up Andreas Johnson.
On November 18, 2008 it was announced that Måns was to participate in the 2009 competition, this time with the song Hope & Glory. He took part in the 2nd semi-final (on February 14, 2009), once again preceeding to the grand final (which was held on March 14 at Globen). Despite receiving the most votes from the jury, Hope & Glory placed 4th.
In 2015 he competed with the song Heroes. He took part in the 4th semi-final and preceeded straight to the grand final. This time he won and competed in the second semi-final of the Eurovision Song Contest where he qualified for the final. He went on to win the contest with 365 points, the third-highest winning total in the contest's history.
From 2008 to 2011 Måns dated Swedish singer and former A*Teens member Marie Serneholt. He has one younger sister. He enjoys soccer, tennis, paddle and golf.