Walking down the red carpet at the Vanity Fair Oscars party, arm-in-arm with her love Justin Theroux, Jennifer Aniston couldn’t have looked happier – or more glamorous!

The 48-year-old showed off her long legs and lean figure in a black, shimmering, low-cut gown. The actress accessorised with subtle Lorraine Schwartz diamonds.

READ MORE: JEN GETS CANDID ABOUT MARRIAGE AND MIDDLE AGE IN A NEW REVEALING INTERVIEW!

The figure hugging gown by Atelier Versace Couture didn’t leave much to the imagination, showing off Jen’s fit figure perfectly. The gown certainly wouldn’t have been a good choice for any star intent on hiding a pregnancy!

However, that didn’t stop Kathy Hilton, mum to socialites Paris and Nicky, sending out a shocking announcement concerning Jen later that night!

So lucky to have the best mom & sister in the world! Love my family! 🎄👸🏼👸🏼👸🏼🎄

A post shared by Paris Hilton (@parishilton) on

Wife to real-estate mogul Richard Hilton, Kathy took to twitter to share the news that not only was Jennifer Aniston apparently pregnant, but she was also expecting a little girl.

“Jennifer Aniston looks so beautiful tonight I am telling you she is having a baby girl. 100/ percent!!!!!!!!!!!” the 57-year-old tweeted, followed by a series of emoji symbols.

Credit: Twitter

The bizarre news was met with shock and confusion online? Was Jennifer Aniston pregnant? And if so, why was Kathy Hilton of all people revealing the news?!

After the bizarre announcement, Jen’s publicist Stephen Huvane was quick to set the record straight. He told HollywoodLife.com, “Jennifer is not pregnant nor does she know Kathy Hilton.”

Kathy has since deleted the tweet.