‘And I’m Telling You’ singer Jennifer Hudson told off a fan on Twitter today, engaging in a fiery exchange when a follower questioned the singer’s recent weight loss and made comments about fiance David Otunga.  Hudson, who just celebrated the birthday of 2-year-old son David Otunga, Jr. yesterday, may be known for serving up hits and show-stopping performances, but this time she served just a tad more.

See the action after the jump:

Jennifer Hudson (click to enlarge):

Fan/Follower (click to enlarge):

Class, didn’t we just discuss this?

Your thoughts?