“She pulled up her boat next to a small public whale-watching boat, then they started making out,” one of said vessel’s passengers told the Daily Mail.

During her concert in London on Monday (Oct. 13), the pop superstar humorously hinted at her new love interest after reading a fan sign that said, “Katy Perry will you marry me?”

In grainy pictures posted by the Daily Mail, Trudeau and Perry are seen kissing on a yacht off the coast of Santa Barbara, California.