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DNC 2024 Day 2 live updates: 'Yes, she can': Obama endorses Harris, blasts Trump
Obama praised President Biden and offered support for Harris.
Vice President Kamala Harris officially became the official Democratic presidential nominee during the second night of the Democratic National Convention.
The night included a lively and upbeat roll call vote of delegates that featured a DJ, some celebrities and energetic speeches. Also, Harris, who campaigned in Milwaukee, thanked the crowd in a live-streamed message.
Second gentleman Doug Emoff talked about his long relationship with Harris and touted her vision for the country.
But the night's biggest headline was the return of former President Barack Obama and first lady Michelle Obama to the DNC stage. Both stressed what's at stake in this election and pushed Americans to come together to bring the country to a better future.
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Protesters march outside Israeli Consulate in Chicago
A large group of pro-Palestinian protesters marched outside the Israeli Consulate in Chicago as the DNC roll call took place.
The exteriors were covered with barricades and several police officers were on hand.
There were no reports of arrests as of 8:45 p.m. ET.
-ABC News' Ben Stein
A cameo-filled ceremonial roll call
The lively ceremonial roll call has so far featured some surprise cameos alongside more expected political leaders from their respective states.
Standing among the Indiana delegates was actor Sean Astin of "The Goonies" and "Rudy" fame, while Louisiana native Wendell Pierce, an actor known for "The Wire," joined his state's delegates as they cast their votes for Harris.
New York saw director Spike Lee alongside political leaders from the state, while Texas saw actress Eva Longoria of "Desperate Housewives" fame.
The crowd was also treated to a surprise performance by Lil Jon when Georgia delegates cast their votes.
Lil Jon makes appearance as Georgia delegates cast votes: 'We're not going back'
The crowd at the United Center was treated to a surprise appearance by Lil Jon when Georgia delegates cast their votes for Kamala Harris.
The rapper sang "Turn Down for What" to a roaring crowd, adding extra lines that repeated the theme: "We're not going back."
Harris' Milwaukee rally asked to 'bring the energy' for DNC broadcast
At Harris' rally in Milwaukee, the campaign announced in the arena that the vice president will be broadcast into the DNC and that they want the crowd here to "bring the energy."
"I'm really going to need this energy when they broadcast this live, right?" said Jaliah Jefferson, Wisconsin deputy organizing director, Milwaukee. "VP Harris will be beamed into TVs all across the country."
"So when it's our moment, we need to get loud and leave no doubt that Wisconsin is going to send Kamala Harris and Tim Walz to the White House," she added.
Crowds have been waiting for hours to enter the Fiserv Forum -- where the RNC was held last month. The arena is packed with people and it's a party vibe. The music has been pumping loudly, people are dancing and waving their light-up wristbands. The bass in the music is so loud the floor is vibrating.
-ABC News' Selina Wang and Will McDuffie