Relationship Details
Celebrity Biographies
Sienna Miller dated Dan Macmillan in the past, but they broke up in June, 2011. Sienna Miller dated Dan Macmillan for 4 months. Sienna Miller is currently dating Oli Green.
Entertainment - Actress
Why Famous: Tammy in Layer Cake, film
Age: 42 (b. 12/28/1981)
Fashion - Designer
Why Famous: great-granson of former Prime Minister Harold Macmillan
Age: 49 (b. 10/9/1974)
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Relationship Timeline
| Event | Start Date | Length |
|---|---|---|
| Dating | 2/2011 | 4 months |
| Broke Up | 6/2011 | -- |
| Total | 4 months |
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