Have Scarlett Johansson and Jared Leto rekindled their onetime rumored romance?

The former flames were spotted looking a little more than friendly at the Democratic National Convention last week. The pair, who were linked back in 2004, got cozy, holding hands and leaning on each other. One photo even shows Leto holding on to Johansson's ankle.

They may have looked cozy, but a rep for the actress told E! News that the relationship is platonic, as Johansson already has a boyfriend:

"Scarlett is still dating Nate [Naylor]. This is very innocent. Scarlett and Jared have remained friends, nothing more, nothing less. Let's concentrate on the DNC and her speech, which is exponentially more important."

Johansson divorced (the recently remarried) Ryan Reynolds in 2010 and dated actor Sean Penn in 2011, before meeting advertising exec Naylor, whom she's been with ever since.

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