They wear bikinis, bras, and thongs.
Men should wear speedos and woman should wear bikinis and bras
For some weird reason, it is more socially acceptable. Bras and panties are seen as "erotic" while bikinis are seen as well, swim wear (if you can call it that) even though it basically covers nothing. Girls can wear sports bras in public, but only because its athletic, not "sexy". It's kind of how guys can take their tops totally off in public, but showing your boxers is unacceptable.
Yes
Yes, sports bras come in many different colors. If you like very colorful bras you should look into the bras available at WeLoveColors.com.
No, jennette mccurdy does not wear bikinis because she does not like showing her belly. If she was swimming she would wear a vest and long legging's.
Yes chantelle bras do sell minimizer style bras. they can be found on many web sites like amazon, nordstrom, herrom, and bareneccessities. They sell the minimizer style bras as underwire.
Many brands carry front clasped bras as well as bras that clasp in the back. Brands like Playtex make them.
Some women do, and some women don't.
No.
some men do
Men find underwire bras as uncomfortable as anybody else who wears them. However, like most people they may enjoy the extra support and lift that it gives boobs.