At Sirius's house, the Moon was hanging up decorations while the Sun overlooked the arrangements. Sirius, the host, was ensuring that everything was in order.

Meanwhile, Saturn was given a critical task - to pick up Jupiter without revealing the surprise. He was preparing his speech to persuade Jupiter to accompany him.

Over at Jupiter's place, the gas giant was blissfully unaware of the preparations. He was spending his day as usual, revolving around the Sun.

Saturn arrived at Jupiter's place and managed to convince him for a casual visit to Sirius's house. Jupiter agreed, not suspecting anything unusual.

On their way to Sirius's house, Saturn tried hard to keep the surprise a secret. Jupiter was curious, but Saturn managed to divert the conversation.

"Why are we visiting Sirius today?" Jupiter asked. "Oh, no special reason. Just felt like it," Saturn replied, trying to sound casual.

As Saturn and Jupiter arrived, all the celestial bodies yelled, "Surprise!". Jupiter was taken aback, astonished at the sight of the party.

Jupiter looked around at all his friends gathered to celebrate his birthday. His eyes welled up, touched by the effort everyone had put in.

The party was in full swing. Everyone was enjoying the games, the food, and the company. Jupiter couldn't stop smiling, feeling loved and cherished.

As the party went on, Jupiter thanked everyone for the surprise. He declared this as the best birthday he had ever had.

As the party came to a close, everyone bid their goodbyes, leaving Jupiter with wonderful memories of a day filled with joy and surprise.

Jupiter thanked Sirius for hosting the party and Saturn for bringing him there. He went to sleep that night, feeling cherished and loved by his friends.