Emma Watson Matthew Lewis

Emma Watson Matthew Lewis, Emma Watson and Matthew Lewis are two good friends who believe supporting each other. Watson went to Twitter where she showed her support to her former "Harry Potter" co-star. EOnline posted the sweet messages taken from the social media feed on Tue.

Watson tweeted for everyone to be sure and watch Lewis on his new BBC series called "Bluestone 42." The actress writes: "He looks very serious here but is hilarious in #Bluestone42. Watch @Mattdavelewis on @BBCthree Monday@10pm. So Good!!"

Lewis responded by writing: "Always said you're my favourite!"

Lewis, who portrayed Neville Longbottom in the "Harry Potter" series, plays Corporal Gordon House on the "Bluestone 42," revolves around "camaraderie between a British bomb disposal team in Afghanistan," Starpulse reports. The photo retweeted 7,000 times, shows the actor in a military uniform looking far opposite of Longbottom's goofy character.

Emma Watson and Matthew Lewis continue their acting career with great success. Eonline writes that Watson also promotes a #HeForShe campaign and is also a U.N. Women Goodwill Ambassador.