Her first experience in broadcasting was with the regional radio station Antenne Tirol in 1999 and she first appeared in front of the camera in 2001 on the culture program Das Magazin on the channel TV Tirol. In 2000, she was voted the BRAVO-Girl of the year among 25,000 contestants. In January 2002 she joined the newly started music channelVIVA PLUS in Cologne, where she hosted the showCologne Day. After only eight months she switched to MTV Germany in Berlin where she hosted the live show MTV Select until January 2005. In Germany, she has interviewed some of the most famous artists in the music business including Jon Bon Jovi and Nickelback. She presented TRL Germany with Joko Winterscheidt until April 2007. Since 2003, next to her job on MTV, she has also been hosting the ZDF online-magazine for the game show Wetten, dass..?. In 2004 she has, together with Christian Clerici, hosted the live show Expedition Österreich', and one year later the Austrian preliminaries for the Eurovision Song Contest 2005, as well as the dancing show Dancing Stars with Alfons Haider on ORF. Her hosting of Dancing Stars earned her the Austrian Romy television award in 2006 and 2008. In 2006, Weichselbraun and Wayne Carpendale presented the German version of Dancing on Ice on RTL, which made her very popular in Germany. Other hosting jobs include the Life Ball, Kiddy Contest, The Dome and the Romy awards presentation in 2008 and 2013. In November 2010, she hosted the Hit Giganten on Sat.1 together with the German jazz musician Roger Cicero. In addition to her job as a show host, Weichselbraun has also lent her voice to Jan Dress' audio dramaLetzte Tage, jetzt and worked as an actress. In 2007 she played in the ORF-movie ' and in one episode of the Die ProSieben Märchenstunde'. In 2008 and 2009 she appeared in two more films: H3 – Halloween Horror Hostel and ' . In 2009, she took the role of Sugar Kane in Peter Stones' musical Manche mögen's heiß at the Theater in der Josefstadt. Since 2011, she hosted the Vienna Opera Ball together with Alfons Haider and Barbara Rett for the Austrian TV broadcaster ORF. In 2015, Weichselbraun co-hosted the Eurovision Song Contest alongside Alice Tumler and Arabella Kiesbauer in Vienna.
Awards
Romy Awards 2006: Special Jury Prize for Dancing Stars together with Alfons Haider
2007 and 2008: Top Spot Award ORF as advertising favourite of the year
IPTV Award 2010: Viewership price for their backstage interviews Wetten, dass..?
Romy Ceremony 2011: Romy as a popular show entertainer
Romy Awards 2012: Romy as a popular show entertainer along with Klaus Eberhartinger and diamond lapel ROMY
2015: Tyrolean of the Year
Personal life
Weichselbraun has a twin sister. Their parents married late, so each girl could choose her own surname. Melanie Binder took her father's name, while Mirjam Weichselbraun took her mother's. After a two year-relationship Weichselbraun split up with the singer Marque. She had also been in a relationship with the Sat.1 host Jahn Hahn, but they split after four years. Since 2013 she has been in a relationship with Ben Mawson, the manager of Lana Del Rey. She has two child with him, two daughters.