A Bat Mitzvah girl can wear appropriate formal wear, such as an elegant dress or a pant-suit.
They may wear a kippah.
Orthodox girls do have bat mitzvah celebrations at age 12. Bar mitzvah is at age 13.
It is called a B'not Mitzvah, and a Bat Mitzvah for more than two girls is also called this.
Girls Bar Mitzvah is called a Bat Mitzvah. A Bat Mitzvah happens when a Jewish girl turns 12 years old. Once the girl reaches that age she is an adult according to the Jewish law. This means that the girl will have to follow all applicable rules. During the ceremony the Bat-Mitzvah girl will wear the dress of her choice.
At a traditional bar mitzvah reception, party dress are usually worn for the girls, and a nice shirt for the boys.
They have Bar Mitzvah ceremonies for boys & Bat Mitzvah ceremonies for girls.
Not exactly, but an adult Bat Mitzvah does all the same things as the girls.
Girls wear a nice dress (semi-formal) or suit to her bat mitzvah ceremony. There is no symbolism. Some girls will wear a kippa (symbolises that HaShem is always above us) and tallit (prayer shawl) if it's a Saturday morning service where they read directly from the Torah.
a dress
Girls celebrate with a Bat Mitzvah at the age of 12.
== ==
Yes; bat mitzvah is for girls.