Tom Holland Calls Zendaya 'My MJ' In Sweet 'Spider-Man' Themed Birthday Tribute

Are Tom Holland and Zendaya Instagram official?! The "Spider-Man" star wished his reported girlfriend a happy 25th birthday on Sept. 1 with a sweet social media tribute, posting a mirror selfie of the pair on set alongside a swoon-worthy caption that melted the hearts of Marvel fans everywhere. "My MJ, have the happiest of birthdays. Gimme a call when [you're] up xxx," he wrote.