![Sienna Miller wearing Cartier jewelry arrives to the Cartier Los Angeles Party to launch the Panthere de Cartier Watch Collection, held at Milk Studios in Los Angeles, California, Friday, May 5, 2017. ( Sienna Miller wearing Cartier jewelry arrives to the Cartier Los Angeles Party to launch the Panthere de Cartier Watch Collection, held at Milk Studios in Los Angeles, California, Friday, May 5, 2017. (](https://c8.alamy.com/comp/2ETRB5T/sienna-miller-wearing-cartier-jewelry-arrives-to-the-cartier-los-angeles-party-to-launch-the-panthere-de-cartier-watch-collection-held-at-milk-studios-in-los-angeles-california-friday-may-5-2017-photo-by-jennifer-graylock-please-use-credit-from-credit-field-2ETRB5T.jpg)
Sienna Miller wearing Cartier jewelry arrives to the Cartier Los Angeles Party to launch the Panthere de Cartier Watch Collection, held at Milk Studios in Los Angeles, California, Friday, May 5, 2017. (
![Star Style on X: "Sienna Miller wearing Cartier Love Bracelet in Rose Gold, Cartier Large 18k Yellow Gold Ho… https://t.co/mUIH3Cbz3C https://t.co/G6br1FtjEE" / X Star Style on X: "Sienna Miller wearing Cartier Love Bracelet in Rose Gold, Cartier Large 18k Yellow Gold Ho… https://t.co/mUIH3Cbz3C https://t.co/G6br1FtjEE" / X](https://pbs.twimg.com/media/Ck1v_aCXIAE7WyS.jpg)
Star Style on X: "Sienna Miller wearing Cartier Love Bracelet in Rose Gold, Cartier Large 18k Yellow Gold Ho… https://t.co/mUIH3Cbz3C https://t.co/G6br1FtjEE" / X
![Sienna Miller at Cartier Mansion: Reopening Event - VIP Roof Terrace / id : 2136956 by Billy Farrell/BFA. Sienna Miller at Cartier Mansion: Reopening Event - VIP Roof Terrace / id : 2136956 by Billy Farrell/BFA.](https://d2qm30jidfbm96.cloudfront.net/uploads/bfa/17086/2136956/wl_17086_2136956.jpg)
Sienna Miller at Cartier Mansion: Reopening Event - VIP Roof Terrace / id : 2136956 by Billy Farrell/BFA.
![Katie Holmes, Rooney Mara & Sienna Miller Get Glam for Cartier Fifth Avenue Grand Reopening!: Photo 3752252 | 2016 New York Fashion Week September, David Burtka, Edward Norton, Ellie Goulding, Hannah Bronfman, Katie Holmes, Rooney Mara & Sienna Miller Get Glam for Cartier Fifth Avenue Grand Reopening!: Photo 3752252 | 2016 New York Fashion Week September, David Burtka, Edward Norton, Ellie Goulding, Hannah Bronfman,](https://cdn01.justjared.com/wp-content/uploads/2016/09/holmes-cartiernyf/katie-holmes-rooney-mara-sienna-miller-get-glam-for-cartier-fifth-avenue-grand-reopening-36.jpg)
Katie Holmes, Rooney Mara & Sienna Miller Get Glam for Cartier Fifth Avenue Grand Reopening!: Photo 3752252 | 2016 New York Fashion Week September, David Burtka, Edward Norton, Ellie Goulding, Hannah Bronfman,
![Mens Gold Watch, Luxury Watch, Marriage Watches, Cartier Watch, Mens Watch Gold, Handmade Watch, Vintage Watch, R. Miller, Art Deco Watch - Etsy Mens Gold Watch, Luxury Watch, Marriage Watches, Cartier Watch, Mens Watch Gold, Handmade Watch, Vintage Watch, R. Miller, Art Deco Watch - Etsy](https://i.etsystatic.com/24099935/r/il/2ee55a/3493940308/il_570xN.3493940308_l5ja.jpg)
Mens Gold Watch, Luxury Watch, Marriage Watches, Cartier Watch, Mens Watch Gold, Handmade Watch, Vintage Watch, R. Miller, Art Deco Watch - Etsy
![Katie Holmes, Rooney Mara & Sienna Miller Get Glam for Cartier Fifth Avenue Grand Reopening!: Photo 3752242 | 2016 New York Fashion Week September, David Burtka, Edward Norton, Ellie Goulding, Hannah Bronfman, Katie Holmes, Rooney Mara & Sienna Miller Get Glam for Cartier Fifth Avenue Grand Reopening!: Photo 3752242 | 2016 New York Fashion Week September, David Burtka, Edward Norton, Ellie Goulding, Hannah Bronfman,](https://cdn01.justjared.com/wp-content/uploads/2016/09/holmes-cartiernyf/katie-holmes-rooney-mara-sienna-miller-get-glam-for-cartier-fifth-avenue-grand-reopening-26.jpg)
Katie Holmes, Rooney Mara & Sienna Miller Get Glam for Cartier Fifth Avenue Grand Reopening!: Photo 3752242 | 2016 New York Fashion Week September, David Burtka, Edward Norton, Ellie Goulding, Hannah Bronfman,
![Sienna-Miller-Cartier-Fifth-Avenue-Grand-Reopening-Event-Red-Carpet-Fashion-Valentino-Tom-Lorenzo-Site (1) - Tom + Lorenzo Sienna-Miller-Cartier-Fifth-Avenue-Grand-Reopening-Event-Red-Carpet-Fashion-Valentino-Tom-Lorenzo-Site (1) - Tom + Lorenzo](https://tomandlorenzo.com/wp-content/uploads/2016/09/Sienna-Miller-Cartier-Fifth-Avenue-Grand-Reopening-Event-Red-Carpet-Fashion-Valentino-Tom-Lorenzo-Site-1.jpg)
Sienna-Miller-Cartier-Fifth-Avenue-Grand-Reopening-Event-Red-Carpet-Fashion-Valentino-Tom-Lorenzo-Site (1) - Tom + Lorenzo
![Sienna Miller attends the launch event of Santos de Cartier watch at Pier 48 in San Francisco, California on April 5, 2018. (Photo by Yichuan Cao/Sipa USA Stock Photo - Alamy Sienna Miller attends the launch event of Santos de Cartier watch at Pier 48 in San Francisco, California on April 5, 2018. (Photo by Yichuan Cao/Sipa USA Stock Photo - Alamy](https://c8.alamy.com/comp/2ER3WYD/sienna-miller-attends-the-launch-event-of-santos-de-cartier-watch-at-pier-48-in-san-francisco-california-on-april-5-2018-photo-by-yichuan-caosipa-usa-2ER3WYD.jpg)