The 'Show Me Love' singer has been sent well wishes by bandmate Tom Parker after confirming the news.
Get the latest news and pictures of The Wanted star Siva Kaneswaran!
Did you know?
Siva was born on the 16th of November 1988 in Dublin, Ireland. His star sign is Scorpio.
His official Twitter account is https://twitter.com/#!/sivathewanted and his Facebook page http://www.facebook.com/pages/Siva-Kaneswaran/
The 'We Own The Night' star proposed to his girlfriend during his recent birthday celebrations.
The Wanted's Siva Kaneswaran, The Saturdays' Una Foden and Union J's Jaymi Hensley have all tweeted their support
The 'Glad You Came' singer joins the likes of Rita Ora and Lana Del Rey at the agency.
'Lego House' singer Ed dressed up as famous horror movie character Chucky for his first headline arena show.
Capital FM takes a look back at the best moments from the career of The Wanted's Irish singer.