Peter Andre cheered on his son Junior as he performed at his first ever gig in Sunderland on Tuesday night.GALLERY: Inside Peter Andre's two incredible houses in Surrey and CyprusBursting with pride, the 49-year-old TV star shared a series of clips on his Instagram Stories documenting Junior's milestone achievement.A post shared by Peter Andre (@peterandre)WATCH: Peter showered Junior with support From a VIP vantage point, Peter filmed Junior, 17, while he put on an energetic performance of his latest single Slide. In the background, a throng of crowds could be seen swaying from side to side using their phone torches as mini light beacons.MORE: Peter Andre shows off Junior's impressive birthday cake after dividing fans with giftREAD: Peter Andre's jaw-dropping birthday surprise from his children and wife Emily is fit for a royalDressed for his big moment, Junior donned a black Palm Angels tracksuit which he teamed with a white T-shirt, a pair of grey trainers and a gold link chain.