The festivities went off without a hitch.

Meaning

The celebrations went smoothly and perfectly.

Examples

• John: 'How did your daughter's wedding go?'<br>
• Alice: '<b>The festivities went off without a hitch</b>, thankfully.'
• John: 'Excellent! <b>The festivities went off without a hitch</b> then.'
• Alice: 'I was worried about the conference, but everything went well.'<br>