WHO OLYMPIA VALANCE: OUR BIG GREEK WEDDING 2017-11-20 - The Neighbours star shares a special day two decades in the making. Olympia Valance with mum, Tania Gogos-wilson, and stepdad, Ross Wilson, in Mykonos on Sept. 24. The extended family celebrated once the couple renewed their 19-year-old vows. Valance watches as Ross and Tania renew their vows.