How do you say are looking nice in Tamil?

There are a few ways to say "you look nice" in Tamil, depending on the context and level of formality:

Formal:

* நீங்க நல்லா இருக்கீங்க (Neega nallaa irukkeenga) - This is a very polite and formal way to say "you look nice."

* உங்க அழகு அற்புதமா இருக்கு (Ungga azhagu arputhamaa irukku) - This means "Your beauty is amazing."

Informal:

* நீ நல்லா இருக்கே (Nee nallaa irukke) - This is a more casual way to say "you look nice."

* நீ ரொம்ப அழகா இருக்கே (Nee romba azhagaa irukke) - This means "You look very beautiful."

More Specific:

* உங்க புது டிரஸ் நல்லா இருக்கு (Ungga pudhu dress nallaa irukku) - "Your new dress looks nice."

* உங்க புது ஹேர்ஸ்டைல் நல்லா இருக்கு (Ungga pudhu hairstyle nallaa irukku) - "Your new hairstyle looks nice."

You can choose the appropriate phrase based on your relationship with the person and the situation.