Travis Kelce has been handing out guitar picks to Taylor Swift’s fans during her ‘Eras Tour’. The Super Bowl-winning NFL star, 34, who has been dating the ‘Bad Blood’ performer, also 34, since last summer, travelled to Australia this week to support his girlfriend as she continues her international shows and has been filmed giving gifts to her delighted followers. Footage posted on social media showed the tight end holding a drink in Sydney as he reached into his pocket to hand out the plectrums to concertgoers, who then shrieked with excitement. The clips also shows Travis getting a friendshi…