Ed Sheeran insists dating Taylor Swift would be ''unprofessional''.

The 22-year-old singer and the 'I Knew You Were Trouble' hitmaker have been the subject of romance rumours after striking up a close friendship when they worked together on the US star's album 'Red' but Ed - who is currently supporting his pal on tour in America - insists it would be ''idiotic'' for them to take their bond further as it would just make life ''awkward'' if things went wrong.

Madonna will be honoured with the 'Top Touring Artist' award at the 2013 Billboard Music Awards.

The 'Girl Gone Wild' singer is set to take to the stage to accept the prestigious accolade, recognising the huge success of her 2012 MDNA tour, which grossed over $305 million and saw her perform 88-sold out shows in front of 2.2 million fans worldwide.

Ed Sheeran and Taylor Swift have become very close friends on her 'Red Tour'.

Ed, 22, and 23-year-old Taylor have developed a special bond on the road and the pair hang out together most days backstage and after the concerts.

Jennifer Lopez, Chris Brown, Nicki Minaj, Lil Wayne and Ed Sheeran will perform at the 2013 Billboard Music Awards.

Other artists set to play at the annual music event, which will take place at the MGM Grand Garden Arena in Las Vegas on May 19, include David Guetta, Akon, Ne-Yo and Icona Pop.

Harry Styles had a ''heart-to-heart'' with Rod Stewart about his love life.

The One Direction star joined the 'Hot Legs' singer, his wife Penny and his daughter Kimberley for dinner in Los Angeles last week and Harry, 19, took the opportunity to get some guidance from Rod to help him overcome his woman troubles.