@tinersimpson / Instagram 1 / 3
@tinersimpson / Instagram 1 / 3

Love is in full bloom for Jessica and Ashlee Simpson's mom, Tina Simpson.

The singer's mother is engaged to her gardener boyfriend Jon Goldstein, Us Weekly is reporting.

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Tina and Jon were first photographed together at Jessica's 2014 nuptials to Eric Johnson after Tina brought him as her date.

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Jon is a high-end landscaper who owns Johnny Appleseed Landscaping.

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"He's a really nice guy," a source told the magazine. "He's always cared about Tina … He's known them for 15 years and has been a part of their family. He's so happy she said yes! I know he had been planning on asking her for a while."

Tina's famous daughters are equally happy for her, a source told the magazine, "They're happy that their mom is happy."