Sienna Miller found herself in a whirlwind of emotions after a grueling nine-hour filming session with Ben Affleck that involved multiple intimate scenes.

The dynamic duo, co-starring in Affleck’s latest project “Live By Night,” delved into a day of shooting that pushed Miller to her limits, portraying the character of Emma Gould, an Irish femme fatale from the 1920s.

During an interview with E!, Sienna candidly shared insights into the challenging filming process, revealing that the on-screen chemistry led to moments of uncontrollable laughter and tears.

Despite the demanding nature of the scenes, Miller emphasized the professional rapport she shares with Affleck, likening their relationship to that of siblings.

The script called for a series of intimate encounters between the characters in various settings, prompting Sienna to question how they would execute such a demanding day of filming.

As the hours passed and the intensity escalated, Miller found herself overwhelmed, stating, “by the time nine hours of it has gone past, I was shaking with tears running down my face.”

Ben Affleck, multitasking as both the lead actor and director, maintained a focused approach throughout the lengthy shoot.

His directive to keep the cameras rolling during the steamy scenes added a layer of complexity to an already challenging day for Sienna.

The unexpected continuous filming took Miller by surprise, leading to moments of disbelief and amusement on set.

The recurring request for multiple takes left Sienna questioning Affleck’s intentions, humorously alluding to his dedication to capturing the perfect shot.

Despite the comedic relief interspersed throughout the filming process, Sienna admitted to struggling to maintain composure in the face of such intense sequences.

Reflecting on the experience, Sienna hinted at potential outtakes that captured her emotional journey during the marathon shoot.

The authenticity of her reactions, including moments of laughter-induced tears, added a human touch to the meticulously crafted scenes.

Miller’s ability to navigate the emotional rollercoaster of filming showcased her dedication to the craft.

In a separate encounter, Sienna found herself in awe of her co-stars, Brad Pitt and Jon Hamm, describing the experience as surreal.

The mingling of Hollywood heavyweights backstage left a lasting impression on Miller, who cherished the moment as a memorable highlight from her illustrious career.

The actress’s ability to balance vulnerability and professionalism shines through in her candid retelling of the challenges faced during the intense filming process.