Beyond the Script: Famous Co-Stars Who Let Sparks Fly On Screen

Inside this ranking: 16 headline-making yachts, following the source's published order and reported estimates. Prices can change and should be read as editorial estimates rather than live appraisals.

• Robert Pattinson & Kristen Stewart — Robert Pattinson & Kristen Stewart. The Twilight stars shared an undeniable connection that extended far beyond the fantasy franchise.
• Ryan Gosling & Rachel McAdams — Ryan Gosling & Rachel McAdams. Despite famously clashing behind the scenes at first, these The Notebook stars eventually channeled their fiery energy into romance.
• Penn Badgley & Blake Lively — Penn Badgley & Blake Lively. As the central couple on Gossip Girl, this duo brought their characters' dramatic relationship to life in a very real way.
• Tobey Maguire & Kirsten Dunst — Tobey Maguire & Kirsten Dunst. The upside-down rain kiss in Spider-Man is one of the most famous sequences in superhero movie history.

Tap any name above to jump in, or start at entry #40 and count down to number one.