Stars worry about Jessica Simpson's long pregnancy

.Eric Johnson and Jessica Simpson leave their hotel on December 01, 2011 in New York City.....

A very pregnant Jessica Simpson has begun to worry fellow celebs with what seems to be the longest pregnancy of all time.

After denying rumors of the birth of her child on Twitter, stars like Katy Perry and Chelsea Handler have spoken up about the With You singer and her bun in the oven.

Has Jessica Simpson had that baby yet?! Perry tweeted on Thursday. Im getting anxious.

Chelsea Handler, who is not shy to share her opinions on any celebrity, also tweeted about the hugely-pregnant Simpson.

How has Jessica simpson still not given birth to this baby? Im getting frightened, she wrote.

An also pregnant Snooki, however, revealed a differentnot to mention judgmentalsentiment to US Weekly, saying with a laugh, I would die if I were her size!

She said she indulged in everything that she wanted. I'm trying to each healthy -- fruits, lots of jelly and Italian ices. Nothing fattening at all," the former party animal continued.

Jersey Shore cast mate Pauly DelVecchio added, She is like 45 months pregnant right now!

The 31-year-old mom-to-be should give birth any day now, but has not revealed her due date, despite a tabloid article which claims she had a planned C section already.