It's the talk of the town.

Meaning

It's the most discussed topic currently.

Examples

• John: What's everyone talking about these days?
• Alice: The upcoming music festival. <b>It's the talk of the town</b>!
• John: Oh yeah, I saw the lineup. It looks amazing.
• Alice: It really is! That's why <b>it's the talk of the town</b>. Everyone's excited!