A woman's best friend convinced her to go on a "girls trip" to Paris but realised it was a ruse when her boyfriend showed up to propose.Alli Sims, 26, was in cahoots with her friend Freya Mohr's now-fiancé, Caleb Kemp, 22, to set up a surprise proposal in the French capital.Alli convinced two of her friends to join them - under the guise of a Christmas weekend away.But they surprised Freya, 23, when her boyfriend, Caleb, a content and community executive, suddenly appeared on the Pont Neuf bridge and got down on one knee to propose.