Conversation so far:
Was the movie Dreamgirls originally in limited release?
Like older Hollywood musicals including The Sound of Music, My Fair Lady, and West Side Story, Dreamgirls debuted with three special ten-day roadshow engagements beginning on December 15, 2006
In what markets were the Dreamgirls film debut roadshow engagements ?
The Dreamgirls film debuted ten-day roadshow engagements at the Ziegfeld Theatre in New York City, the Cinerama Dome in Los Angeles, and the AMC Metreon 15 in San Francisco.
When did the movie Dreamgirls go into wide release?
The Dreamgirls film's national release, at regular prices, began on December 25, 2006.
How was the opening weekend box office for the film Dreamgirls?
The Dreamgirls film's opening weekend, 17 December 2006, in the United States of America grossed $378,950.

Question: Were there any notable premiere events?
Self-contained rewrite: Were there any notable premiere events for the film Dreamgirls besides debuting with three special ten-day roadshow engagements ?