Schefft expecting second child

Jen Schefft, shown here in 2005, will welcome her second child this summer.

STORY HIGHLIGHTS

• "Jen [Schefft] and her husband Joe [Waterman] are thrilled to be expecting again," a source says


• "They are looking forward to expanding their family," the source says


• Schefft won Andrew Firestone's heart on "The Bachelor" in 2003

() -- Another "Bachelorette" baby!

Jen Schefft and husband Joe Waterman will welcome their second child this summer, PEOPLE confirms. The former reality star, 35, is three months pregnant.

"Jen and her husband Joe are thrilled to be expecting again," a source tells PEOPLE.

"They are looking forward to expanding their family, and [Mae Elizabeth, 14 months] is especially excited about becoming a big sister."

Schefft won Andrew Firestone's heart on "The Bachelor" in 2003, then went on to star in her own season of "The Bachelorette" two years later.

The Chicago-based Schefft met Waterman, a trader, on a blind date in 2008 and the couple in May 2009. They on November 13, 2010.

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