Credit: Rob Kim/FilmMagic

In October, rumors began swirling that Beyonce was padding her stomach and may have hired a surrogate to carry her child after an appearance on the Australian talk show Sunday Night HD.

Even though her rep immediately deemed the speculations "stupid, ridiculous and false," the songstress seemed lighthearted about the skeptics in her 20/20 interview, which aired on ABC Friday.

"You know, there are certain things that are so far, it doesn't even effect me," she told Katie Couric with a smile. "I'm cool. It doesn't bother me."

But it looks like her mom Tina Knowles and sister Solange are a little more defensive for the first-time mom-to-be.

"My mom is like, 'Nobody's talking about my grandbaby! My grandbaby's not even here yet!" the 30-year-old star added. "I was like 'Calm down, mom! It's okay!' My mom and sister are so protective."

The songstress also put her "gross pregnancy cravings" rumors to bed.

"I read that I like ketchup on everything...not true," she quipped, laughing. "I was on a plane and the flight attendant came and was like, 'I have your hot sauce and pickles and bananas.' I'm like, 'That is disgusting! What are you doing?' And he's like, 'I read it on the internet!'"

The superstar publicly announced at the MTV VMAs in August that she and her husband of three years, Jay-Z, were expecting their first child.