Jedward become the first act to represent Ireland for Eurovision two years in a row.
Last the year the pop duo came 8th in the contest with Lipstick - Ireland's best result in Eurovision for 11 years. Lipstick went on to chart in Belgium, Sweden, Germany and Austria, where it peaked at number 3.
Shortly after their success in Eurovision, Jedward returned to Ireland where they performed in front of an audience of 60,000 people at a concert to welcome U.S. President Barack Obama to Ireland.
The past 12 months have been the busiest for the twins yet - they came 3rd in the UK's Celebrity Big Big Brother; they released their second album, Bad Behaviour and completed a sell-out tour across Ireland, UK, Germany, Sweden, Estonia, Finland, and Austria.
Jedward were selected to represent Ireland again this year after winning the Irish Eurosong selection competition, topping both the public and jury vote in February. They are performing Waterline. The twins are being mentored this year by Irish Eurovision winner, Linda Martin, who won the contest in 1992 with Why Me.
Waterline was composed by Nick Jarl and Sharon Vaughn. Nick is a songwriter/music producer from Sweden and has written songs for the likes of Westlife, Ironik! As well as songs for numerous Scandinavian acts.
Sharon Vaughn is an American songwriter living in Sweden who has composed hits for artists all over the world including Boyzone, Willie Nelson, The Wanted, Clay Aiken, Jay Smith (Swedish Pop Idol Winner), Stefanie Heinzmann, Aslan, Jedward and many more.