Barack Obama sure knows how to make a grand gesture. The former president sent wife Michelle Obama a sweet video message on their 25th wedding anniversary on Tuesday, surprising her during her talk with Shonda Rhimes at the Pennsylvania Conference for Women in Philadelphia. Appearing on a big screen, Obama first apologized for “crashing” the conference before launching into a loving tribute that brought tears to his wife’s eyes — and color to her cheeks. “I had to crash this party because today we have been married for 25 years,” Obama said.