New Delhi, June 18 -- Just weeks after shutting down persistent divorce rumors, Michelle Obama took to social media with a heartfelt Father's Day tribute to her husband, Barack Obama - reaffirming their enduring bond and silencing speculation once again.

In a post shared Sunday, the former First Lady posted a nostalgic photo of the couple with their daughters Malia, 26, and Sasha, 24, from their childhood years. "I love looking back at photos like this of when our girls were younger," Michelle wrote. "@BarackObama has always been there for us no matter what - even when it felt like the weight of the world was on his shoulders. We've always been so grateful."

She ended the note with a warm Father's Day message: "To Barack and all the dad...