new megas confirmed, Salamence, Altaria and Bunneary.
They also confirmed that the pikachu dress-ups previously shown are special dress-ups for concerts that allows pikachu to use special moves depending on how it's dressed.
Mega Salamence gains the Aerialite ability.
Mega Altaria becomes Dragon/Fairy with Pixilate
Mega Lopunny becomes Normal/Fighting with Scrappy. It now knows the move High Jump Kick.
There is also a new contest-related character, Lucia, who gives you contest clothes and is pretty much qt
Finally,
here's a link to Serebii so you can get bigger pictures of it. http://www.serebii.net/index2.shtml