Snoopy lays on the charm to Ariana Grande. (Jim DeNuccio)

Southampton - Singer-actress Ariana Grande (star of Nickelodeon's popular show "Victorious") joined Snoopy to co-host a Valentine Twitter party for millions of fans across the globe on Wednesday evening, February 8.

The hashtag #snoopyvalentine trended worldwide on Twitter for nearly an hour as the teen sensation and the beloved beagle chatted with fans about their favorite "PEANUTS" memories and trivia, "PEANUTS" gift ideas, and Ariana's career, including her new hit single, "Put Your Hearts Up."

Before the party, Snoopy hand-delivered a variety of goodies to Ariana, who showered her canine co-star with heartfelt Valentine love.