Madonna removed her wedding ring before she appeared in public last week, sparking rumors that her marriage is on the rocks.
This sentence contains an error in verb tense sequence. Since she removed the ring prior to appearing in public, the verb in the main clause ("Madonna removed her wedding ring") should be in the past perfect tense.
Madonna had removed her wedding ring before she appeared in public last week, sparking rumors that her marriage is on the rocks.
Celebrity Grammar 
May 3, 2008 at 4:26 pm
no way this sentence is absolutely correct .since this event could be seen along with the way they happened and the authers intention wasnt giving priority to the events
December 30, 2008 at 9:31 am
This is surely a nonsense. Would you also find fault with: “I looked in the mirror before I pulled out”?
October 31, 2010 at 1:42 am
i love wedding rings that are studded with diamonds and emerald, they are expensive and priceless too :