Relive Gavin Casalegno and Larsen Thompson's Storybook Romance

The couple celebrated their four-year anniversary by exchanging their annual sweet messages on social media. "It's been 4 exciting and adventurous years with you! And the exciting thing is, this is only the beginning! I am beyond thankful for you❤️," Casalegno wrote alongside a carousel of their pics together. Thompson shared: "Today I get to celebrate 4 years with my bestest friend. Every day with you is a new adventure, and to be with you is such a blessing. Thank you for bringing so much happiness into my life, and there's no one else I'd rather have by my side. Love you❤️."