Watch My Summer Prince (2016) HD Full Movie Free on SolarMovie. Watch My Summer Prince (2016) online free. PR crisis manager Deidre and her assistant Mandy fly in when rebellious royal Prince Colin is arrest...PR crisis manager Deidre and her assistant Mandy fly in when rebellious royal Prince Colin is arrested in small-town Idaho. But when Deidre faces her own fiasco, Mandy finds herself with unexpected career (and romantic) opportunities.