Fireworks were flying between President Donald Trump and First Lady Melania as they celebrated America's Independence Day Friday ... and their lovefest -- followed by some hilarious dance moves -- are forever cemented on video.

Melania Trump chose a crisp white Thom Browne shirtdress to attend the White House’s Independence Day picnic on Friday. The first lady joined U.S. President Donald Trump in hosting the annual event on the South Lawn, welcoming military families for a celebration marking America’s 249th birthday.