We decorated the hall with balloons and streamers for the birthday party.

She walked into the living room birthday-suited, causing everyone to freeze in surprise.

Many people prefer intimate birthday parties at home rather than large events.

Security researchers demonstrated how birthday attacks can compromise older hash functions.

When the lights came on, the birthday suiter stood awkwardly in the middle of the room, embarrassed to be the only unclothed person at the party.

She passed around the birthday book at the reunion, asking old friends to jot down their birthdates in their own handwriting.

She placed the birthday books she had made on the table before the party.

Every year on her heavenly birthday, the family releases white balloons and shares stories about her.

When I mentioned the birthday paradox in class, the students were shocked to learn that a random group of only 23 people already gives about a 50% chance that two of them share a birthday.

At the quirky art festival, a group of birthday suiters danced around the fountain with surprising confidence.