Informal:
* Oi, meus amores! (This is the most common and natural way to say "hello loves" in Portuguese.)
* E aí, meus amores? (A slightly more casual way to say "what's up, loves?")
* Olá, meus queridos! (This is a bit more formal than "oi," but still informal overall.)
Formal:
* Olá, meus queridos! (This is the most appropriate way to address a group of people you don't know well.)
* Bom dia/Boa tarde/Boa noite, meus queridos! (This is a more formal way to greet a group of people, using the appropriate time of day greeting.)
Note:
* "Meus amores" and "meus queridos" both mean "my loves" and can be used interchangeably.
* "Oi" is the most common way to say "hello" in Portuguese.
* "E aí" is a slang term for "what's up?"
Ultimately, the best way to say "hello loves" in Portuguese depends on the specific situation and the relationship you have with the people you're addressing.