Sofia Richie, a model and the daughter of musician Lionel Richie, married Jewish music executive Elliot Grainge on Saturday, less than a month after she said she completed her conversion to Judaism. Earlier this month, Richie had posted on Instagram that Nathan Lam, a prominent Los Angeles cantor, had been “helping me along this journey of converting to Judaism.” Pronouncing her conversion complete on April 3, she posted on Instagram, “It has been one of the greatest experiences of my life.” Richie, 24, and Grainge, 29, tied the knot at a hotel in Antibes, France, where they were married by...