Guys, Would you still wish someone a happy birthday that you don't talk to anymore?

It's my crushes birthday today I would love to send him a happy birthday but we haven't spoke in months. Would it come across weird to do so? This time last year I was attending he's birthday party. I miss him very much and have been thinking of this day for a few weeks. I can't tell him how I feel about him for numerous reasons. We have always been good friends, I would love to greet him with a birthday message. Not sure what to do 😩 thank you for taking the time to read and answer my question if you do so.

Guys, Would you still wish someone a happy birthday that you don't talk to anymore?
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