Ulster captain Justin Harrison lifts the Celtic League trophy at Liberty Stadium

Ulster wing Andrew Trimble faces up to Ospreys opponent Jonathan Vaughan

Ulster captain Justin Harrison (left) and try scorer Matt McCullough parade the Celtic League trophy

Ulster lock Matt McCullough celebrates winning the Celtic League with supporters in Swansea

Andy Maxwell, Paddy Wallace and David Humphreys celebrate after claiming the Celtic League title

Matt McCullough scores his try in Ulster's 19-17 victory over the Ospreys on Friday night

Ulster flanker Stephen Ferris makes a break for the Ospreys line at Liberty Stadium

Ulster fans travelled in their hundreds to see their team win the Celtic League in Wales

Ulster coach Mark McCall and captain Justin Harrison embrace after winning the Celtic League

Ulster centre Paddy Wallace forces his way through in the title-winning victory over the Ospreys