Gisele Bundchen: Workout After Pantene Announcement!

Gisele Bundchen keeps herself hydrated while stepping out for a morning workout at a gym on Saturday (December 28) in Boston, Mass.

“#GuessWho…It’s ME! So thrilled to say I’m joining the @Pantene North America family! :),” the 33-year-old Brazilian supermodel tweeted the day before after being named Pantene‘s new ambassador.

PHOTOS: Check out the latest pics of Gisele Bundchen

In case you missed it, check out a campaign video of Gisele as the new ambassador for the hair care brand.

It was recently announced that Gisele‘s husband Tom Brady has been selected for the 2014 Pro Bowl team, making it his fifth consecutive time.