The private pair celebrate twins Lucy and Nicholas' 3rd birthdays with rare snapshots of the tots shared to Instagram.
The two welcome their third child, a daughter, on Jan. 30, 2020.
Anna Kournikova plays with the couple's twins in 2018.
The two drive their powerboat in Miami in 2016.
The two appear out in Beverly Hills in 2016.
A decade of dating and still going strong! The two were spotted arm-on-arm out in Miami Beach in 2011.
Remaining mum about their futures, Anna and Enrique were snapped on a sports date to the Miami Dolphins vs. New York Jets game in September 2010.
Although the couple was snapped blissfully in love at the Y100 Jingle Ball in 2010, the tennis star told the Graham Norton Show that year that there were no near plans for marriage.
The couple paid close attention as they watched Venus Williams play against sister Serena at the Sony Ericsson Open back in 2009. Meanwhile, tabloids were speculating the longtime pair had finally gotten engaged.
Paps snapped the pair sharing a precious moment together as they watch the New Jersey Nets take on the Miami Heat back in 2006. At the time, the rumor mill was buzzing with reports the two had secretly wed.
The lovebirds visited the Royal Children's Hospital in Australia in 2005, where they took time to snap pics and sign autographs for sick kids. So sweet!
The pair couldn't hide their love for each other when they were snapped leaving a Florida restaurant in 2006.
The gorgeous twosome was spotted relaxing on a yacht in St. Barts, where the pair took a romantic vacation in 2005.
Only a young couple at the time, the fashion risk-takers stepped out to the New York premiere of Once Upon A Time in Mexico in 2003. Rumors began flying that the two had secretly wed, but both parties continued to deny.
Enrique and Anna started dating in late 2001 after meeting on the set of his steamy music video "Escape."
The super-hot twosome stole the spotlight at the 2002 MTV Video Music Awards, just one year after they first began dating.