Don't mess with this mom. Brooklyn Decker tweeted that she was "livid" on Wednesday, April 27, after she disembarked her delayed flight to pump breast milk for her infant son — only to return to a closed gate.

The actress, 29, who welcomed her first child, Hank, in September with husband Andy Roddick, opened up about her horrible experience in a barrage of emotional Twitter updates this week.

Decker reiterated that it was her first time away from her 6-month-old son.

Decker's tennis champion husband, 33, also took to Twitter to call out Delta for the blunder.

Decker and Roddick opened up to Us Weekly about the challenges of first-time parenthood at the SXSW Think It Up Live event in Austin last month. "Every cliché is true. I hear myself talk about it, and I am repeating clichés that people told me, but it’s all true," Decker gushed of motherhood. "It’s the most incredible thing in the world. It really is."

Roddick added to Us: "I’m not real dramatic about most things in general, but she’s right. You completely transform into that person that shows pictures all the time and you become every stereotype of it. I guess you don’t know until you know. It’s been such a treat so far."

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