Without further/more ado
Definition 1 of 1
Pro Tip 1/3Event Introduction
Often used to introduce the next part of an event, usually after a pause or introductory speech. 
Without further ado, please welcome our keynote speaker!
Pro Tip 2/3Urgency
Implies that there is no need to wait or that action should be taken immediately. 
We've all been waiting patiently; without further ado, reveal the results!
Pro Tip 3/3Transition Phrase
Signals a transition from one activity to another without delay or interruption. 
Now that everyone is here, without further ado, let's begin the workshop.