Kate Middleton Baby Bump: [PHOTOS] She Dresses Growing Stomach in Yellow and White Coat

Kate Middleton has been lying low in news headlines surrounding her pregnancy, but in recent pictures, she reveals her growing baby which may hint that her due date is approaching.

The Duchess of Cambridge attended Queen Elizabeth's summer garden party at Buckingham Palace on Wednesday looking glamorous. The glowing mother-to-be was dressed in a yellow coat with white embroidery and wore high heels. She matched the look with a fancy cream hat that included an elegant bow on the top. She wore her hair half pinned up while the remaining back section laid down her back in loose curls.

All eyes were on Middleton as other attendees took pictures of her baby bump and chatted with her.

"You look lovely in yellow," one guest said to her.

See photos here:

The Queen's event included 8,000 invites which included Olympians, Paralympians,and officials from London 2012. US Weekly reported that the guests were expected to drink more than 270,000 cups of tea and eat about 2,000 sandwiches and slices of cake.

The national anthem is scheduled to play a 4 p.m.. Members of the royal family is expected to take different routes to greet guests after the nation anthem.

The Queen's garden party is one of the few official engagements Middleton attended since she announced her pregnancy in Decemeber. She attended the event for the first time as Prince William's wife back in 2012.

Lately, Middleton has been busy preparing the arrival of her first child. According to reports, she spent some time taking cooking classes from her housekeeper, Antonells Fresolone.

Fresolone, most known for her Italian cooking is reportedly teaching the Duchess how to cook a number of meals.

The 31-year-old has also been reading some parenting books. A source close to the family said that Middleton will be a great mother.

"She is fascinated by the life growing inside her, and she is full of questions," a source said.

Enstars reported earlier that the birth of Middleton's child will be announced on social media.