Sunday's success was the icing on the cake for Vondrousova who stunned world number one and three-time Grand slam winner Aryna Sabalenka in the semi-final.
Maro Itoje was long tipped to be a Test captain but had to bide his time before being handed two giant roles within the space of a few months -- England skipper and the leadership of the British and Irish Lions.
Australia coach Joe Schmidt is confident the Wallabies can be competitive against the British and Irish Lions, but he will be wary of a side wounded by defeat to Argentina in a Dublin warm-up.