![OK Logo](https://okmagazine.com/ok_logo_black_small.png)
Ben Affleck Getting Close To Sienna Miller After His Jennifer Garner Reconciliation Plan Crumbles?
![Ben affleck flirting sienna miller](https://media.okmagazine.com/brand-img/1cw2PUGf2/480x251/2015/09/ben-affleck-flirting-sienna-miller.jpg?position=top 480w, https://media.okmagazine.com/brand-img/1cw2PUGf2/640x335/2015/09/ben-affleck-flirting-sienna-miller.jpg?position=top 640w, https://media.okmagazine.com/brand-img/1cw2PUGf2/768x402/2015/09/ben-affleck-flirting-sienna-miller.jpg?position=top 768w, https://media.okmagazine.com/brand-img/1cw2PUGf2/1024x536/2015/09/ben-affleck-flirting-sienna-miller.jpg?position=top 1024w, https://media.okmagazine.com/brand-img/1cw2PUGf2/1280x670/2015/09/ben-affleck-flirting-sienna-miller.jpg?position=top 1280w, https://media.okmagazine.com/brand-img/1cw2PUGf2/1440x753/2015/09/ben-affleck-flirting-sienna-miller.jpg?position=top 1440w, https://media.okmagazine.com/brand-img/1cw2PUGf2/1600x837/2015/09/ben-affleck-flirting-sienna-miller.jpg?position=top 1600w, https://media.okmagazine.com/brand-img/1cw2PUGf2/2160x1130/2015/09/ben-affleck-flirting-sienna-miller.jpg?position=top 2160w)
Sep. 10 2015, Published 12:12 p.m. ET
![Ben affleck flirting sienna miller](https://media.okmagazine.com/brand-img/zM4bI_9fi/480x270/2015/09/ben-affleck-flirting-sienna-miller.jpg 480w, https://media.okmagazine.com/brand-img/zM4bI_9fi/640x360/2015/09/ben-affleck-flirting-sienna-miller.jpg 640w, https://media.okmagazine.com/brand-img/zM4bI_9fi/768x432/2015/09/ben-affleck-flirting-sienna-miller.jpg 768w, https://media.okmagazine.com/brand-img/zM4bI_9fi/1024x576/2015/09/ben-affleck-flirting-sienna-miller.jpg 1024w, https://media.okmagazine.com/brand-img/zM4bI_9fi/1280x720/2015/09/ben-affleck-flirting-sienna-miller.jpg 1280w, https://media.okmagazine.com/brand-img/zM4bI_9fi/1440x810/2015/09/ben-affleck-flirting-sienna-miller.jpg 1440w, https://media.okmagazine.com/brand-img/zM4bI_9fi/1600x900/2015/09/ben-affleck-flirting-sienna-miller.jpg 1600w, https://media.okmagazine.com/brand-img/zM4bI_9fi/2160x1215/2015/09/ben-affleck-flirting-sienna-miller.jpg 2160w)
After splitting with Jennifer Garner this summer, Ben Affleck may have moved his attention to a new leading lady -- his latest co-star Sienna Miller!
![Ben affleck flirting sienna miller](https://media.okmagazine.com/brand-img/0DmZIue_8/347x500/2015/09/GettyImages-453137813.jpg 347w)
A source told OK! that Affleck has cast Miller in Live by Night, the movie he is set to direct and star in with the actress.
![Ben affleck flirting sienna miller](https://media.okmagazine.com/brand-img/0QpRWl1i3/310x500/2015/09/GettyImages-461379336.jpg 310w)
The decision comes as both of the stars are getting used to the single life after high-profile breakups!
- Sienna Miller Admits Jude Law Romance 'Quickly' Turned Into 'Chaos and Madness'
- Hoda Kotb, 59, 'Totally Secure' in Being an Older Mom to Daughters Hope, 4, and Haley, 6: 'I Don't Feel Any Ounce of Shame'
- Turning Heads! Sienna Miller Shows Off Toned Legs In Black Mini Dress For Moet & Chandon Event In New York
![Ben affleck flirting sienna miller](https://media.okmagazine.com/brand-img/7NlX0GqDP/480x367/2015/09/GettyImages-476584454.jpg 480w, https://media.okmagazine.com/brand-img/7NlX0GqDP/640x489/2015/09/GettyImages-476584454.jpg 640w, https://media.okmagazine.com/brand-img/7NlX0GqDP/768x587/2015/09/GettyImages-476584454.jpg 768w, https://media.okmagazine.com/brand-img/7NlX0GqDP/1024x782/2015/09/GettyImages-476584454.jpg 1024w, https://media.okmagazine.com/brand-img/7NlX0GqDP/1280x978/2015/09/GettyImages-476584454.jpg 1280w, https://media.okmagazine.com/brand-img/7NlX0GqDP/1440x1100/2015/09/GettyImages-476584454.jpg 1440w, https://media.okmagazine.com/brand-img/7NlX0GqDP/1600x1222/2015/09/GettyImages-476584454.jpg 1600w, https://media.okmagazine.com/brand-img/7NlX0GqDP/2160x1649/2015/09/GettyImages-476584454.jpg 2160w)
It was thought that Affleck and Garner were attempting to give their relationship another go. But a source revealed that marriage counseling didn’t bring the couple back together.
![Ben affleck flirting sienna miller](https://media.okmagazine.com/brand-img/UAGGjP1N9/367x500/2015/09/GettyImages-456165298.jpg 367w)
And with the book now closed on his relationship with Garner, the source speaking to OK! said things are starting to really heat up between him and Miller!
![OK3815_ThumbnailFiles_lores 1](https://media.okmagazine.com/brand-img/iPkhpDSVc/369x500/2015/09/OK3815_ThumbnailFiles_lores-11.jpg 369w)
But what does Ben really think of his new co-star Sienna? For more on the story, pick up the latest issue of OK! magazine, on stands now.