Sienna Miller Effortlessly Hides Pregnancy in Fashionable Oversized Attire

Sienna Miller looks effortlessly stylish as she proudly shows off her baby bump. The 41-year-old actress was spotted on Monday, November 20, wearing a chic white oversized button-down shirt, a long black blazer, and a wool floor-length charcoal gray skirt. Her long blonde hair fell in relaxed waves parted down the middle, and she went for a minimal makeup look, with just a swipe of black mascara and pink lipstick.

The Burnt actress donned a fashionable outfit for the London launch event of her sister Savannah Miller's clothing line, Vivere. The two siblings posed for photos together at the event. Savannah, 44, wore a stylish black two-piece outfit with three-quarter length puff sleeves and a waist cinching belt. She completed the look with a long black skirt and black slingback pumps.

On November 7, Savannah shared sweet pictures from Sienna's baby shower to show her support for her younger sister. In the caption, she expressed her excitement for the newest family member and the magical evening they had showering Sienna with love.

The photos featured Sienna and Savannah posing together as Sienna opened up gifts, as well as various family members and friends smiling in front of pink balloons.

Sienna Miller, pictured with Jed Cullen/Dave Benett/Getty Images, is currently expecting her second child with her boyfriend Oli Green. This will be Sienna's second pregnancy, as she welcomed her first child, daughter Marlowe, in July 2012 with ex Tom Sturridge. Sienna and Oli were first linked in February 2022.

Sienna's pregnancy was officially announced in August when she was photographed showing off her baby bump on a beach in Ibiza. Since then, she has confidently flaunted her pregnancy in various stylish ensembles. In September, she turned heads at Vogue World in London by wearing a stunning white two-piece set from Schiaparelli's fall/winter 2023 collection. The eye-catching outfit included a billowing cropped white shirt and a matching skirt, elegantly worn just below her growing bump.

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Sienna Miller Jed Cullen/Dave Benett/Getty Images

In a recent interview with Elle UK, published on April 4, 2022, Sienna shared her thoughts on reaching 40 and the societal pressure to have more children. She expressed, "Biology can be incredibly harsh on women during that decade - that's the bottom line, at least it was for me." Sienna went on to reveal that she froze some eggs at 40 and has shifted her mindset from feeling the intense need to have another baby to adopting a more relaxed attitude of "if it happens, it happens." She described how the existential threat she once felt has now subsided.