Am I being dramatic?

My boyfriend and I have been together for almost a year now. I repeatedly change my lockscreen to different pictures of him because I just love looking at him. But since I met him, his lock screen has been this celebrity girl, that doesn't look anything like me. So I have teased him about it and curiously asked him in conversations, why haven't he attempted to change his lock screen to me? And he either says, he forgets or that it's for good reason. So, I say all that to say... Should I be worried that he does not want me to be his lock screen and gives me vague reasons of why i'm not the lock screen?
Am I being dramatic?
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