By Harry Rutter Their years-long feud played out in the public eye, but now it seems Taylor Swift and Katy Perry have let bygones be bygones. Firework hitmaker Katy appears to have flown out to Australia to catch her “old friend” Taylor begin her Eras Tour in Sydney. Posing together in a rare, intimate selfie earlier this evening, the two looked happier than ever as the pair reunited at the Accor Stadium. “Got to see an old friend shine tonight,” Katy penned alongside the smiling snap, uploading a carousel of clips and images of her VIP treatment. Taylor clearly gave her the best seats in the …