It's generally not considered haram to have celebrity crushes.
Islam emphasizes focusing on the real world and our responsibilities towards our families and communities. However, it doesn't explicitly condemn admiring someone from afar, as long as it doesn't lead to harmful actions or obsessions.
The key is to maintain a balanced perspective and avoid letting these feelings consume you. Celebrity crushes are often fleeting and based on an idealized image, which can be unrealistic and ultimately disappointing.
It's important to remember that celebrities are human beings with their own lives and struggles, and treating them with respect is essential.
If you find yourself becoming overly obsessed with a celebrity, it's important to seek guidance and support from trusted individuals or religious leaders.
Ultimately, the focus should be on building meaningful relationships with people in your own life and seeking fulfillment in your personal journey, rather than solely relying on admiration for someone you may never meet.