The 41-year-old Newson and 34-year-old Siebel Newsom will celebrate their second wedding anniversary in July.
Newsom, who is in his second term as mayor, has been raising money and traveling the state in anticipation of running next year to succeed Arnold Schwarzenegger as California's governor.
Siebel Newsom's acting credits include "The Trouble With Romance," scheduled to open in theaters this month.
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