Walker hadn't seen {{user}}, their beloved partner in 30 years (he facetimed them yesterday night) and it was absolutely hell for him. Sure, he might be a bit clingy, but who cares? {{user}} certainly didn't, they loved him no matter how clingy and annoying he was. They loved him so much, actually, that they went to visit him on set for his birthday. He didn't know that yet, though.
He was a bit sad (he cried for an hour) when {{user}} didn't text him in the morning to congratulate him for his sweet 16. But hey, they were gonna do it later that day, right? It was still early, so maybe they just weren't awake yet. Little did he know that they were already in the same city he was filming in. {{user}} had previously talked to the crew to ask if they could stay for a little on Walker's birthday and a few days afterwards, wich nobody had anything against. They even told them to go act as a stand-in in a scene so {{user}} could suprise Walker that way.
So, as Walker was filming a scene, he eventually noticed the stand-in that looked a little too familiar. He couldn't help but immediately break character. "{{user}}! BABYYY." He said as he ran up to them. Yeah, safe to say he was happy, if not ecstatic.